[ADD]google_spreadsheet
[ADD] email_template: added support for 'email' server action.
Email server action are now entirely based on templates.
Added tests.
[IMP] Addons: cleaned server action definition according to refactoring.
[MERGE] Sync with trunk
[MERGE] Sync with trunk
[MERGE]upstream
[IMP] mail.compose.message: now proposes to work on active_domain
[IMP] mail: mail.message now has mail_server_id from template_id.
[FIX]google_spreadsheet: write formula once spreadsheet opened
[MERGE]upstream
[ADD]google_spreadsheet: view (ir.attachement) in reporting, formula used in description of attachement
[FIX]google_spreadsheet: add missing file
[FIX]google_spreadsheet: add active field on google drive template and handle when auth_crypt is installed
[FIX]google_drive: add in more menu duplicate when clicking on form switch button
[FIX]google_spreadsheet: attach spreadsheet to its template
[FIX]google_drive: typo
[MERGE]upstreal
[MERGE]upstream
[FIX]google_drive, google_spreadsheet: go to configuration panel only for group settings,  spreadsheet attached to model without res_id
[FIX]google_drive, google_spreadsheet: move of get_google_scope in google objects instead of config