[IMP]improved some view:project form view,Task form view ,project kaban view, Contract form view and payment,and Chatter of project form view

- Task: https://www.odoo.com/web#id=5179&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.ZQjz4rt8LM4wWksi
yes it's intended to do not change  the value of to_invoice if there is a ValueError and i have just moved it From account_analytic_analysis.py To hr_timesheet.py.