Make recurrence mechanism on contract line and some other refactoring
[FIX] - Keep contract_cron on account_analytic_account model
contract_cron defined with no_update option.
Changing it, will cause issue to past version installation.
[IMP] - Fix recurring_next_date default value
recurring_next_date should have start_date as default value in prepaid policy
and start_date + invoicing_interval if postpaid
[FIX] - Fix test check no journal
[IMP] - Return created invoices on recurring_create_invoice
[IMP] - Specific process to compute recurring_next_date for monthly-last-day
fixes: #198
[ADD] - Add Post-migration script to bring recurrence info from contract to contract lines
[ADD] - Add search filter based on date_end and recurring_next_date
- not_finished filter in contract search view
- finished filter in contract search view
- Next Invoice group by in contract search view
[ADD] - Add unit tests
- cases to compute first recurring next date
- contract recurring_next_date
- contract date_end
[IMP] - Improve Unit tests
[12.0][IMP] - Add strat/stop wizard to contract line
[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
[FIX] - invoice last period for post-paid case
[IMP] - Add primary views for contract
[IMP] - don't use related filed for partner_id and pricelist_id
[FIX] - fix stop_plan_successor case 5
contract line start in the suspension period and end after it
[IMP] - improve cancel/uncancel process
[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
[IMP] - hide recurring_invoicing_type if recurring_rule_type is monthlylastday
for the monthlylastday case, pre-paid is logicly impossible,
if monthlylastday is set, we consider only post-paid case
[IMP] - Improve unit tests
[IMP] - store last_date_invoiced on contract_line
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
[IMP] - don't allow to unlink uncnaceled contrac line
[FIX] - check date_start before onchange
[FIX] - compute recurring_next_date for contract
[IMP] - get contract line default data onchange product_id
[IMP] - Add responsible to contract form view
[FIX] - contract recurring_next_date ignore canceled lines
[FIX] - fix _get_invoiced_period if recurring_next_date manually updated
[IMP] - archive contract_line on contract archive
