add a ScopePickerType and a UserPickerType

Those type allow easily to

- pick a Scope/circle in form
- pick a user in form

Resources/config/doctrine/GroupCenter.orm.yml

@@ -19,4 +19,8 @@ Chill\MainBundle\Entity\GroupCenter:
         permissionsGroup:
             targetEntity: Chill\MainBundle\Entity\PermissionsGroup
             cache:
-                usage: NONSTRICT_READ_WRITE
+                usage: NONSTRICT_READ_WRITE
+    manyToMany:
+        users:
+            targetEntity: Chill\MainBundle\Entity\User
+            mappedBy: groupCenters

Resources/config/doctrine/PermissionsGroup.orm.yml

@@ -17,6 +17,11 @@ Chill\MainBundle\Entity\PermissionsGroup:
     manyToMany:
         roleScopes:
             targetEntity: Chill\MainBundle\Entity\RoleScope
+            inversedBy: permissionsGroups
             cache:
                 usage: NONSTRICT_READ_WRITE
+    oneToMany:
+        groupCenters:
+            targetEntity: Chill\MainBundle\Entity\GroupCenter
+            mappedBy: permissionsGroup
             

Resources/config/doctrine/RoleScope.orm.yml

@@ -21,4 +21,8 @@ Chill\MainBundle\Entity\RoleScope:
             nullable: true
             cache:
                 usage: NONSTRICT_READ_WRITE
+    manyToMany:
+        permissionsGroups:
+            targetEntity: Chill\MainBundle\Entity\PermissionsGroup
+            mappedBy: roleScopes
                 

Resources/config/doctrine/User.orm.yml

@@ -30,6 +30,7 @@ Chill\MainBundle\Entity\User:
     manyToMany:
         groupCenters:
             targetEntity: Chill\MainBundle\Entity\GroupCenter
+            inversedBy: users
             cache:
                 usage: NONSTRICT_READ_WRITE