Merge pull request #205 from hainesr/new-travis

Updated Travis configuration

.travis.yml

@@ -1,15 +1,18 @@
 language: ruby
+sudo: false
+cache: bundler
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1
+  - 2.1.5
+  - 2.2.0
   - ruby-head
   - rbx-2
 matrix:
   include:
-  - rvm: jruby-19mode
+  - rvm: jruby-1.7.17-19mode
     jdk: oraclejdk7
-  - rvm: jruby-19mode
+  - rvm: jruby-1.7.17-19mode
     jdk: openjdk7
   allow_failures:
     - rvm: ruby-head
@@ -18,7 +21,5 @@ before_install:
   - gem update --system
   - gem --version
 before_script:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq zip unzip
   - echo `whereis zip`
   - echo `whereis unzip`