Add tvars branch to Travis.

Author: chrisseaton

.travis.yml

@@ -8,6 +8,10 @@ rvm:
   - jruby-19mode
   - jruby-head
   - rbx-2
+branches:
+  only:
+    - master
+    - tvars
 matrix:
   allow_failures:
     - rvm: ruby-head