Merge branch 'master' of https://github.com/thelia/thelia into coupon

# By Manuel Raynaud (18) and others
# Via franck (9) and others
* 'master' of https://github.com/thelia/thelia: (39 commits)
  Working :
  Working :
  Working :
  Working :
  Fixed minor visual glitches
  Working : Resize countries flag + Add bootstrap-switch
  fix test suite
  clear asset cache in cache:cler command
  Added a 'development mode' to assetic smarty plugin
  rewriting router
  use good Request object
  Added Tools\URL test case, and a test case superclass for initializing Tools\URL
  remove unused UrlWritin controller
  create router for rewriting matching
  customer substitutions
  fix typo in front id
  Working : For attributes on labels
  Working : For attributes on labels
  add label_attr attribute to form smarty plugin
  start refactorin rewriting routing
  ...

Conflicts:
	core/lib/Thelia/Config/Resources/routing/front.xml
	templates/admin/default/assets/less/thelia/bootstrap-editable.less
	templates/admin/default/categories.html

composer.json

@@ -37,7 +37,7 @@
         "simplepie/simplepie": "dev-master",
 
         "imagine/imagine": "dev-master",
-        "symfony/serializer": "2.2.*",
+        "symfony/serializer": "dev-master",
         "symfony/icu": "1.0"
     },
     "require-dev" : {