Alphabetize the Travis configuration file

Yup.

[ci skip]

Author: laserlemon

.travis.yml

@@ -1,11 +1,9 @@
-language: ruby
-script: bundle exec rspec
-services: mongodb
-rvm:
-  - 1.9.3
-  - "2.0"
-  - "2.1"
-  - ruby-head
+env:
+  global:
+    secure: | # CODECLIMATE_REPO_TOKEN
+      c1IvkNUiB8/23zmAof8gkthrz79Iou+e/rKddC6w11CNwv0s5nusWgjtwuMg
+      fEEfEFU+Q3TPDtZ+YUjXbzRST6w734OqEltU0QNoFd+j1PL94c6o8iEniJT+
+      JAhKTfB5G7X8ZApxCSwBg3ADhM5VdNbF1itYQkg4OJac2mQfx38=
 gemfile:
   - gemfiles/active_record/3-0.gemfile
   - gemfiles/active_record/3-1.gemfile
@@ -32,12 +30,14 @@ gemfile:
   - gemfiles/mongoid/3-0.gemfile
   - gemfiles/mongoid/3-1.gemfile
   - gemfiles/mongoid/4-0.gemfile
-env:
-  global:
-    secure: | # CODECLIMATE_REPO_TOKEN
-      c1IvkNUiB8/23zmAof8gkthrz79Iou+e/rKddC6w11CNwv0s5nusWgjtwuMg
-      fEEfEFU+Q3TPDtZ+YUjXbzRST6w734OqEltU0QNoFd+j1PL94c6o8iEniJT+
-      JAhKTfB5G7X8ZApxCSwBg3ADhM5VdNbF1itYQkg4OJac2mQfx38=
+language: ruby
 matrix:
   allow_failures:
     - rvm: ruby-head
+rvm:
+  - 1.9.3
+  - "2.0"
+  - "2.1"
+  - ruby-head
+script: bundle exec rspec
+services: mongodb