Add responsive configuration (used in LayoutWidget)
The configuration is injected as global variable by the KernelRequestListener
Merge branch 'master' of git://github.com/Victoire/victoire

# By lenybernard (2) and Loïc Goyet (1)
* 'master' of git://github.com/Victoire/victoire:
  some anoying space
  cleanup (remove sample files)
  fix $vic missing on modal closing