[Release] v2.1.6 of the library.

Fix orientation change as well as retainInstance thanks to [IskuhiSargsyan](https://github.com/IskuhiSargsyan) report
Tweak FastBlur implementation to avoid the allocation of 3 additional arrays for RGB channels thanks to [sh1](https://disqus.com/by/sh1sh1sh1/) feedback.

README.md

@@ -32,7 +32,7 @@ Gradle dependency
 Since the library is promoted on maven central, just add a new gradle dependency :
 
 ```groovy
-compile 'fr.tvbarthel.blurdialogfragment:lib:2.1.5'
+    compile 'fr.tvbarthel.blurdialogfragment:lib:2.1.6'
 ```
 
 Don't forget to check the [Use RenderScript in Your Project] (#use-renderscript-in-your-project) if you're planning to use it.
@@ -242,6 +242,8 @@ public class SampleDialogFragment extends MyCustomDialogFragment {
 Benchmark
 =======
 
+# Benchmark outdated. Please refer to the debug option of the sample in order to compare FastBlur and RenderScript.
+
 We used a Nexus 5 running a 4.4.4 stock rom for this bench.
 
 Down scale factor 8.0 & Blur Radius 8 : [Screenshot](/static/blur_8.0_8.png)
@@ -285,6 +287,7 @@ Find more information on the [memory trace](http://tvbarthel.github.io/blur-dial
 
 Change logs
 =======
+* 2.1.6 : Fix orientation change as well as retainInstance thanks to [IskuhiSargsyan](https://github.com/IskuhiSargsyan) report and tweak FastBlur implementation to avoid the allocation of 3 additional arrays for RGB channels thanks to [sh1](https://disqus.com/by/sh1sh1sh1/) feedback.
 * 2.1.5 : Minor fixes thanks to [Edward S](https://github.com/edward-s) and [Tommy Chan](https://github.com/tommytcchan).
 * 2.1.4 : Fix NPE during the blurring process thanks to [Anth06ny](https://github.com/Anth06ny), [jacobtabak](https://github.com/jacobtabak) and [serega2593](https://github.com/serega2593) reports.
 * 2.1.3 : Remove unused resources thanks to [ligol](https://github.com/ligol) report.

lib/build.gradle

@@ -4,15 +4,16 @@ apply plugin: 'com.jfrog.bintray'
 apply from: '../config/quality.gradle'
 
 group ='fr.tvbarthel.blurdialogfragment'
-version = '2.1.5'
+version = '2.1.6'
+
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "22.0.1"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.2"
 
     defaultConfig {
         minSdkVersion 9
-        targetSdkVersion 22
+        targetSdkVersion 23
         renderscriptTargetApi 22
         renderscriptSupportModeEnabled true
     }
@@ -92,7 +93,7 @@ install {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:22.2.1'
+    compile 'com.android.support:appcompat-v7:23.1.1'
 }
 
 task sourcesJar(type: Jar) {

sample/build.gradle

@@ -1,15 +1,15 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "22.0.1"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.2"
 
     defaultConfig {
         applicationId "fr.tvbarthel.lib.blurdialogfragment.sample"
         minSdkVersion 9
-        targetSdkVersion 22
-        versionCode 6
-        versionName "1.5"
+        targetSdkVersion 23
+        versionCode 8
+        versionName "1.7"
         renderscriptTargetApi 22
         renderscriptSupportModeEnabled true
     }
@@ -23,7 +23,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:22.2.1'
-    compile 'com.android.support:cardview-v7:22.2.1'
+    compile 'com.android.support:appcompat-v7:23.1.1'
+    compile 'com.android.support:cardview-v7:23.1.1'
     compile project (":lib")
 }