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

# By franck (9) and others
# Via franck (3) and Etienne Roudeix (1)
* 'master' of https://github.com/thelia/thelia:
  Added get/setLangId() method in session
  Refactored VariableXxxxx.php as ConfigXxxx.php
  Added name duplication check when creating a variable
  Completed the backoffice variable management
  update propel version and dependencies
  add some phpdoc
  Fixed getUrl()
  Typo :(
  Intriducec BaseI18nLoop, started variable config management
  Fixed URL::absoluteUrl()
  Fixed customer front controller, events, addec admion config.
  rewriting
  specific rewrittend url retrievement
  product page
  url global substitution
  sid : rewriting
  rewriting tables
  start rewriting

Conflicts:
	core/lib/Thelia/Config/Resources/routing/admin.xml
	core/lib/Thelia/Core/Event/TheliaEvents.php

core/lib/Thelia/Model/Base/Category.php

@@ -474,7 +474,6 @@ abstract class Category implements ActiveRecordInterface
         if (!$this->hasVirtualColumn($name)) {
             throw new PropelException(sprintf('Cannot get value of inexistent virtual column %s.', $name));
         }
-
         return $this->virtualColumns[$name];
     }