fix test suite
description is not required anymore in coupon form. Fix #233
fix total amount without discount in backoffice. Fix #235
fix loop cache system. type argument is now a default argument. Fix #234
Add Translator on all form text strings
Add Translator on all controllers & forms text strings
load translations in form validator
refactor validator translation in a listener
Merge pull request #236 from mespeche/master

Add Translator on all controllers & forms text strings
update changelog and fix cs
create message test suite
create newsletter test suite
create pdf test suite
create profile test suite
fix typo in method name
create product test suite
Changed CODE_PROCESSED into CODE_PROCESSING (fixes #240)
Added status change helper methods (setPaid / isPaid, etc)
Merge pull request #241 from roadster31/order-status

Order status
refactor paginator, introducing new variable $PREV, $NEXT and $END. By
default, 10 pages are display. you can use numPage for managing how many
page are display