Merge pull request #28 from appfolio/updateTravisYml

Exclude builds that we know will fail

.travis.yml

@@ -53,24 +53,23 @@ gemfile:
   - gemfiles/rails_4.2.6.gemfile
   - gemfiles/rails_4.2.7.gemfile
   - gemfiles/rails_4.2.7.1.gemfile
+  - gemfiles/rails_5.0.0.gemfile
+  - gemfiles/rails_5.0.0.1.gemfile
+  - gemfiles/rails_5.0.1.gemfile
 
 matrix:
-  include:
-    - rvm: 2.2.6
+  exclude:
+    # Rails 5.0+ requires a minimum of Ruby 2.2.2.
+    - rvm: 2.1.9
       gemfile: gemfiles/rails_5.0.0.gemfile
+    - rvm: 2.1.9
       gemfile: gemfiles/rails_5.0.0.1.gemfile
+    - rvm: 2.1.9
       gemfile: gemfiles/rails_5.0.1.gemfile
-    - rvm: 2.3.3
-      gemfile: gemfiles/rails_5.0.0.gemfile
-      gemfile: gemfiles/rails_5.0.0.1.gemfile
-      gemfile: gemfiles/rails_5.0.1.gemfile
-
-# This Rails versions are broken with the latest Ruby.
-# They are fixed in the next version :
-# https://github.com/rails/rails/blob/v4.0.6/activerecord/CHANGELOG.md
-# https://github.com/rails/rails/blob/v4.1.2/activerecord/CHANGELOG.md
-matrix:
-  allow_failures:
+    # These Rails versions are broken with the latest Ruby versions.
+    # They are fixed in the next version:
+    # https://github.com/rails/rails/blob/v4.0.6/activerecord/CHANGELOG.md
+    # https://github.com/rails/rails/blob/v4.1.2/activerecord/CHANGELOG.md
     - rvm: 2.2.6
       gemfile: gemfiles/rails_4.0.0.gemfile
     - rvm: 2.2.6