Improve CRITERIA_ALLOWED_DICT
[IMP] - code improvement
[IMP] - Use last_date_invoiced to set marker in invoice description
[IMP] - add migration script to init last_day_invoiced and some other improvement
[FIX] - a contract line suspended should start a day after the suspension end
[FIX] - Test if start_date is set before compute
[FIX] - date_end include in the period in auto_renew case
[FIX] - in suspension case, contract line should start a day after the end
[IMP] - confirm message on contract line cancel
[12.0][IMP] - Add pause button to contract line
[IMP] - Add state filed in contract line form
[FIX] - stop don't change date_end for finished contract line
[IMP] - Change contract line buttons visibility
Add renewal process with termination notice
[FIX] - don't consider stop_date If it is after the contract line end_date
[IMP] - consider more cases in stop_plan_successor
[IMP] - cancel upcoming line on stop
[IMP] - Chnage next invoice date on un-cancel
[IMP] - Post message in contract on contract line actions
[IMP] - check contract line overlap