Theme creation a environment config

Added bootstrap 3.0.0
Improved news front for theme purpose
Merge branch '0.4' into theme-grafx
Merge branch '0.4' into theme-grafx
Header + navigator coded
News implementation
WResponse handles CSS and JS added through a retriever within the theme
Updates the user front views
Block right + search bar
News listing template modified with <article>
Small changes on the Footer
Hide the user block when loged in
Updated Note return in WController::hasAccess
Added new lines at end of file
Merge pull request #77 from Creatiwity/theme-grafx

Theme grafx
Removed WNote's display handler

This email has become deprecated since WRetriever. All notes should be
using assign handler by default.
Merge remote-tracking branch 'origin/0.4' into contact-app