Clean slate

.travis.yml

@@ -6,17 +6,7 @@ rvm:
   - 2.1
   - 2.2.6
   - 2.3.3
-  - ruby-head
-  - jruby-9.1.5.0 # is precompiled per http://rubies.travis-ci.org/
-  - jruby-head
 
-jdk:
-  - oraclejdk8
-
-before_install:
-  - gem update --system
-  - rvm @global do gem uninstall bundler -a -x
-  - rvm @global do gem install bundler -v 1.13.7
 install: bundle install --path=vendor/bundle --retry=3 --jobs=3
 cache:
   directories:
@@ -27,8 +17,6 @@ script:
 after_success:
   - codeclimate-test-reporter
 env:
-  global:
-    - "JRUBY_OPTS='--dev -J-Xmx1024M --debug'"
   matrix:
     - "RAILS_VERSION=4.1"
     - "RAILS_VERSION=4.2"
@@ -39,17 +27,8 @@ matrix:
   exclude:
   - rvm: 2.1
     env: RAILS_VERSION=master
-  - rvm: jruby-9.1.5.0
-    env: RAILS_VERSION=master
-  - rvm: jruby-head
-    env: RAILS_VERSION=master
   - rvm: 2.1
     env: RAILS_VERSION=5.0
-  - rvm: jruby-9.1.5.0
-    env: RAILS_VERSION=5.0
-  - rvm: jruby-head
-    env: RAILS_VERSION=5.0
   allow_failures:
     - rvm: ruby-head
-    - rvm: jruby-head
   fast_finish: true