[IMP] refactor assets bundle for future features
Merge remote-tracking branch 'odoo/master' into master-sass-in-bundles-fme
Merge remote-tracking branch 'odoo/master' into master-sass-in-bundles-fme
[ADD] Assets Bundle versioning and better cache handling

An asset bundle is now versionned with the dates of the
ir.ui.views that compose it and also with the dates of
the files and ir.attachments linked inside the bundle.

This new behavior is reflected in the bundle's lru cache
managment.
[ADD] Sass support in bundles
Sass: pull up @imports and remove file imports
Remove ir.ui.view last_update collection and use checksum on rendered bundle
Support for Sass in debug mode
Merge remote-tracking branch 'odoo/master' into master-sass-in-bundles-fme
Merge remote-tracking branch 'odoo/master' into master-sass-in-bundles-fme
Better error management, proper feedback on encoding errors
Fix indentation normalization
Fix typo
Fix another encoding issue
Add support for the @media attribut in css bundles
[IMP] addons: search view cleaning / improvements due to the new search view display
Merge pull request #675 from odoo-dev/master-search_view-crm-tde

[IMP] addons: search view cleaning / improvements due to the new search view display. Changes have been done in the main addons: crm, account, project, project_issue, hr_recruitment, purchase, sale.

Main changes :
- removed most of group_by in classic views (as most of them are usefull in a report view)
- removed all group_by in report views (as the new graph view allow to group on every field, no need to declare them)
- added some custom filters in various addons to help the user experience
- removed some useless icons / helps
[IMP] tour.js: raise an error when phantomjs run a tour and an other running tour has been detected.
Merge pull request #853 from odoo-dev/master-tour-kill-log-chm

[IMP] tour.js: raise an error when phantomjs run a tour and an other running tour has been detected.
[FIX] website_forum: fixed last merge done a bit quickly: addd can_answer functional field, fixed edit_answer and edit link / route.