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

local/config/schema.xml

@@ -1096,9 +1096,9 @@
   <table name="rewriting_url" namespace="Thelia\Model">
     <column autoIncrement="true" name="id" primaryKey="true" required="true" type="INTEGER" />
     <column name="url" required="true" size="255" type="VARCHAR" />
-    <column name="view" size="255" type="VARCHAR" />
+    <column name="view" required="true" size="255" type="VARCHAR" />
     <column name="view_id" size="255" type="VARCHAR" />
-    <column name="view_locale" size="255" type="VARCHAR" />
+    <column name="view_locale" required="true" size="255" type="VARCHAR" />
     <column name="redirected" type="INTEGER" />
     <foreign-key foreignTable="rewriting_url" name="fk_rewriting_url_redirected" onDelete="RESTRICT" onUpdate="RESTRICT">
       <reference foreign="id" local="redirected" />