Remove handle_cast; Cowboy started in init function.
Content for layout helper
Content for layout helper test
Add layout for test
Add Content For layout just to render
Changes little refactor in test
Just for layout
Add test for views has bindings.
Add description about content_for_layout
Fixed documentation
Fixed problem initialize server
Remove MIX_ENV=pg from travis file
Merge pull request #70 from matheusca/content_for_layout

Content for layout
[Mix] names fixes
[Controller Helpers] content_for_layout issue fixed. layout controller helper added.
[Route] get rid of get_route/1, route macro instead.
[Tests] some test fail, api changed, need to remake
README.md updated
 helper for internationalization
fixed way to check if weber cookie exists