issue_46: tell capistrano to deploy dependent engines as submodule
Issue_44: Add 'cooking' engine as git submodule
Issue_44: Mount 'cooking' engine to main app
Issue_44: replace 'therubyracer' gem by Nodejs from OS due to imcompatibility between versions
Issue_44: fix missing jquery-ui due to new version of jquery-rails remove jquery-ui
Issue_44: cooking now tell main app that it should be linked to from main app navigation
Issue_32: top action menu
Issue_32: action menu for user management
issue_44: cooking now has action menu compatible with PAS engines
issue_32: display link to any mountable engine that declare 'ui_modules'
Merge branches 'issue_32', 'issue_44' and 'issue_46' into production