[IMP] purchase: misc usability improvements
- RFQ wording imp
- products tree view in purchase form view: set account_analytic_id
for group_analytic_accounting only + add a context for the partner
- purchase: res_config: wording imp + config view imp
[IMP] project and project-related features in addons: usability improvements

- account_analytic_analysis: set group_sale_priceliston pricelist of analytic
account
- hr_timesheet_invoice: default value for pricelist_id of account.analytic.account
+ hr.timesheet.invoice.create form view cleaning
- project: chatter suggested recipients imp + date_start now set when creating project +
some cleaning in views
- project_issue: new is_escalate field to track escalated projects + some cleaning in views
- to conitnue