Purpose
=======
Lots of small things could be improved in the general settings (labels to rename, layout issues,...)
Specifications
==============
- auth_oauth: Remove useless title
- base_gengo, : Fix layout issue due to missing oe_inline class
- base_setup: Modify Inter_company_rule labels
- google_calendar: Remove technical menuitem leading to general settings
- ir_actions_todo, ir_ui_menu, mail_message_subtype: Add a handle widget on the line instead of displaying the sequence