.travis.yml in cloudster-2.11.0 vs .travis.yml in cloudster-2.12.0

@@ -2,11 +2,7 @@
 before_install:
   - gem install nokogiri -- --with-cflags='--std=gnu99'
 rvm:
   - 1.9.3
   - 1.9.2
-  - rbx-18mode
-  - rbx-19mode
   - ruby-head
-  - jruby-head
   - 1.8.7
-  - ree