diff --git a/app/package-lock.json b/app/package-lock.json
index 1a94436..349b1c5 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -1229,7 +1229,7 @@
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@@ -1763,6 +1764,16 @@
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@@ -2514,13 +2526,13 @@
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-                "escape-html": "1.0.3",
-                "etag": "1.8.1",
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@@ -5748,6 +5801,12 @@
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@@ -5830,11 +5889,11 @@
         "optimist": {
             "version": "0.6.1",
             "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-            "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
+            "integrity": "sha512-snN4O4TkigujZphWLN0E//nQmm7790RYaE53DdL7ZYwee2D8DDo9/EyYiKUfN3rneWUjhJnueija3G9I2i0h3g==",
             "dev": true,
             "requires": {
-                "minimist": "0.0.8",
-                "wordwrap": "0.0.3"
+                "minimist": "~0.0.1",
+                "wordwrap": "~0.0.2"
             }
         },
         "original": {
@@ -7181,10 +7240,13 @@
             "dev": true
         },
         "qs": {
-            "version": "2.3.3",
-            "resolved": "http://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
-            "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ=",
-            "dev": true
+            "version": "6.11.0",
+            "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+            "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+            "dev": true,
+            "requires": {
+                "side-channel": "^1.0.4"
+            }
         },
         "querystring": {
             "version": "0.2.0",
@@ -7243,7 +7305,7 @@
         },
         "readable-stream": {
             "version": "2.3.6",
-            "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+            "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
             "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
             "dev": true,
             "requires": {
@@ -7350,7 +7412,7 @@
             "dependencies": {
                 "jsesc": {
                     "version": "0.5.0",
-                    "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+                    "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
                     "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
                     "dev": true
                 }
@@ -7389,7 +7451,7 @@
                 },
                 "strip-ansi": {
                     "version": "3.0.1",
-                    "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+                    "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
                     "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
                     "dev": true,
                     "requires": {
@@ -7725,6 +7787,17 @@
             "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
             "dev": true
         },
+        "side-channel": {
+            "version": "1.0.4",
+            "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
+            "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
+            "dev": true,
+            "requires": {
+                "call-bind": "^1.0.0",
+                "get-intrinsic": "^1.0.2",
+                "object-inspect": "^1.9.0"
+            }
+        },
         "signal-exit": {
             "version": "3.0.2",
             "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -8467,7 +8540,8 @@
             "version": "0.14.5",
             "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
             "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-            "dev": true
+            "dev": true,
+            "optional": true
         },
         "type-is": {
             "version": "1.6.18",
@@ -8555,12 +8629,12 @@
             "dev": true
         },
         "union": {
-            "version": "0.4.6",
-            "resolved": "http://registry.npmjs.org/union/-/union-0.4.6.tgz",
-            "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
+            "version": "0.5.0",
+            "resolved": "http://registry.npmjs.org/union/-/union-0.5.0.tgz",
+            "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
             "dev": true,
             "requires": {
-                "qs": "2.3.3"
+                "qs": "^6.4.0"
             }
         },
         "union-value": {
@@ -8716,7 +8790,7 @@
         "url-join": {
             "version": "2.0.5",
             "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-            "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
+            "integrity": "sha512-c2H1fIgpUdwFRIru9HFno5DT73Ok8hg5oOb5AT3ayIgvCRfxgs2jyt5Slw8kEB7j3QUr6yJmMPDT/odjk7jXow==",
             "dev": true
         },
         "url-loader": {
@@ -9084,7 +9158,8 @@
                         "ansi-regex": {
                             "version": "2.1.1",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "aproba": {
                             "version": "1.2.0",
@@ -9105,12 +9180,14 @@
                         "balanced-match": {
                             "version": "1.0.0",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "brace-expansion": {
                             "version": "1.1.11",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "balanced-match": "1.0.0",
                                 "concat-map": "0.0.1"
@@ -9125,17 +9202,20 @@
                         "code-point-at": {
                             "version": "1.1.0",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "concat-map": {
                             "version": "0.0.1",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "console-control-strings": {
                             "version": "1.1.0",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "core-util-is": {
                             "version": "1.0.2",
@@ -9252,7 +9332,8 @@
                         "inherits": {
                             "version": "2.0.3",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "ini": {
                             "version": "1.3.5",
@@ -9264,6 +9345,7 @@
                             "version": "1.0.0",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "number-is-nan": "1.0.1"
                             }
@@ -9278,6 +9360,7 @@
                             "version": "3.0.4",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "brace-expansion": "1.1.11"
                             }
@@ -9285,12 +9368,14 @@
                         "minimist": {
                             "version": "0.0.8",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "minipass": {
                             "version": "2.3.5",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "safe-buffer": "5.1.2",
                                 "yallist": "3.0.3"
@@ -9309,6 +9394,7 @@
                             "version": "0.5.1",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "minimist": "0.0.8"
                             }
@@ -9389,7 +9475,8 @@
                         "number-is-nan": {
                             "version": "1.0.1",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "object-assign": {
                             "version": "4.1.1",
@@ -9401,6 +9488,7 @@
                             "version": "1.4.0",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "wrappy": "1.0.2"
                             }
@@ -9486,7 +9574,8 @@
                         "safe-buffer": {
                             "version": "5.1.2",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "safer-buffer": {
                             "version": "2.1.2",
@@ -9522,6 +9611,7 @@
                             "version": "1.0.2",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "code-point-at": "1.1.0",
                                 "is-fullwidth-code-point": "1.0.0",
@@ -9541,6 +9631,7 @@
                             "version": "3.0.1",
                             "bundled": true,
                             "dev": true,
+                            "optional": true,
                             "requires": {
                                 "ansi-regex": "2.1.1"
                             }
@@ -9584,12 +9675,14 @@
                         "wrappy": {
                             "version": "1.0.2",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         },
                         "yallist": {
                             "version": "3.0.3",
                             "bundled": true,
-                            "dev": true
+                            "dev": true,
+                            "optional": true
                         }
                     }
                 },
@@ -9710,7 +9803,7 @@
         "wordwrap": {
             "version": "0.0.3",
             "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-            "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+            "integrity": "sha512-1tMA907+V4QmxV7dbRvb4/8MaRALK6q9Abid3ndMYnbyo8piisCmeONVqVSXqQA3KaP4SLt5b7ud6E2sqP8TFw==",
             "dev": true
         },
         "worker-farm": {
@@ -9749,7 +9842,7 @@
                 },
                 "string-width": {
                     "version": "1.0.2",
-                    "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+                    "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
                     "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
                     "dev": true,
                     "requires": {
@@ -9760,7 +9853,7 @@
                 },
                 "strip-ansi": {
                     "version": "3.0.1",
-                    "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+                    "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
                     "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
                     "dev": true,
                     "requires": {
diff --git a/app/package.json b/app/package.json
index 8352fc3..304f048 100644
--- a/app/package.json
+++ b/app/package.json
@@ -37,7 +37,7 @@
         "file-loader": "^3.0.1",
         "html-loader": "^0.5.5",
         "html-webpack-plugin": "^3.2.0",
-        "http-server": "^0.11.1",
+        "http-server": "^0.11.2",
         "less": "^3.9.0",
         "less-loader": "^4.1.0",
         "postcss-loader": "^3.0.0",