Improve Travis build (#30)

Port pop Travis config to fizz.

.travis.yml

@@ -1,50 +1,75 @@
-language: go
-
 dist: trusty
-
 sudo: required
-
-go:
-  - 1.9
-  - "1.10"
-  - tip
+language: go
 
 install:
  - go get -t -v ./...
+ - go get -v -tags sqlite github.com/gobuffalo/pop/soda
 
 before_script:
-    - go get -v -tags sqlite github.com/gobuffalo/pop/soda
-    # travis hangs when trying to create mysql db using soda. not sure why
-    - mysql -e 'create database pop_test;'
-    - soda create -e "postgres"
-    - soda create -e "sqlite"
-    - soda migrate -e "mysql_travis"
-    - soda migrate -e "postgres"
-    - soda migrate -e "sqlite"
+  - soda create -e $SODA_DIALECT
+  - soda migrate -e $SODA_DIALECT
 
-script: go test -tags sqlite ./... -v
+script:
+  - go test -tags sqlite ./... -v
 
 global_env:
   - MYSQL_USER="travis"
   - MYSQL_PASSWORD=""
   - POSTGRES_PASSWORD=""
 
-env:
-  - SODA_DIALECT="postgres"
-  - SODA_DIALECT="mysql_travis"
-  - SODA_DIALECT="sqlite"
+.mysql: &mysql
+  services:
+    - mysql
+  addons:
+    apt:
+      sources:
+        - mysql-5.7-trusty
+      packages:
+        - mysql-server
 
-services:
-  - mysql
+.postgres: &postgres
+  addons:
+    postgresql: "9.5"
 
-addons:
-  postgresql: "9.5"
-  apt:
-    sources:
-      - mysql-5.7-trusty
-    packages:
-      - mysql-server
+.mariadb: &mariadb
+  addons:
+    mariadb: '10.0'
 
 matrix:
+  include:
+    - dist: trusty
+      go: 1.9
+      env: SODA_DIALECT="postgres"
+      <<: *postgres
+    - dist: trusty
+      go: 1.9
+      env: SODA_DIALECT="mysql_travis"
+      <<: *mysql
+    - dist: trusty
+      go: 1.9
+      env: SODA_DIALECT="sqlite"
+    - dist: trusty
+      go: "1.10"
+      env: SODA_DIALECT="postgres"
+      <<: *postgres
+    - dist: trusty
+      go: "1.10"
+      env: SODA_DIALECT="mysql_travis"
+      <<: *mysql
+    - dist: trusty
+      go: "1.10"
+      env: SODA_DIALECT="sqlite"
+    - dist: trusty
+      go: "tip"
+      env: SODA_DIALECT="postgres"
+      <<: *postgres
+    - dist: trusty
+      go: "tip"
+      env: SODA_DIALECT="mysql_travis"
+      <<: *mysql
+    - dist: trusty
+      go: "tip"
+      env: SODA_DIALECT="sqlite"
   allow_failures:
-    - go: 'tip'
+    - go: 'tip'