[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
renamed function 'set_all_input_id' to '_get_default_input' and 'fill_input_data' to set_input_value
moreover the self.values is just clone of planner_data.data to make code more readable.