[NBC_UserAdvManager] Release 2.12.7 build from branch 2.12
Bug 1238 fixed - Simple custom email text wasn't send when Extended Description plugin wasn't set
Bug 1245 fixed - Semicolons (;) are no longer allowed in text areas (mail info text, ConfirmMail text, reminder text,...). They'll be replaced by dots (.).
Bug 1248 fixed - Php notice on user registration with a forbidden email domain
Bug 1250 fixed - Email provider didn't work after the third exclusion in list
Escaping all special characters typed in login name and recover them