Update Travis-CI information

- Drop Rubinius builds (will be add later)
- Exclude non-portile version failures due VM issues
- No longer email me on continous failures
- Remove Ruby 1.9.2 and replace with 2.0.0 instead

Author: luislavena

.travis.yml

@@ -1,24 +1,12 @@
-before_script:
-  - gem install rdoc
-  - gem install hoe
-  - gem install rake-compiler
-  - gem install mini_portile
 language: ruby
+env:
+  - USE_MINI_PORTILE=true
+  - USE_MINI_PORTILE=false
 rvm:
   - 1.8.7
-  - 1.9.2
   - 1.9.3
+  - 2.0.0
   - ruby-head
-  - rbx-18mode
-  - rbx-19mode
 matrix:
   allow_failures:
-    - rvm: rbx-18mode
-    - rvm: rbx-19mode
-env:
-  - USE_MINI_PORTILE=true
-  - USE_MINI_PORTILE=false
-notifications:
-  email:
-    - aaron@tenderlovemaking.com
-    - luislavena@gmail.com
+    - env: USE_MINI_PORTILE=false