remove rubinius and jruby for builds, this should go to cells.
Get some tests working (partially closes #112)

Repaired tests:

 * test/rails/caching_test.rb
 * test/rails/controller_methods_test.rb
 * test/tree_node_test.rb
 * test/widget_test.rb

Tests still are omit:

 * test/rails/widget_generator_test.rb
 * test/rails/view_helper_test.rb
 * test/rails/rails_integration_test.rb
Merge branch 'tests-big-fix' of https://github.com/kuraga/apotomo

Conflicts:
	.travis.yml