[crm] implementation planner

- Task: https://www.odoo.com/web/#id=8592&view_type=form&model=project.task&menu_id=3942&action=327
- Pad: https://pad.odoo.com/p/r.4BHh6hQdZ4GPR2qE
we will have a different tootlips for different planner,so we can't set it inside the start method,as the PlannerLauncher will instantiate only once from planner manager, correct me if i am wrong
and used this.$(.'selector') Thanks!