Merge pull request #772 from fredericbonjour/Admin

Fixes #769 (creation and edition from pickers).
en_US update from crowdin
[FIX] incorrect publication status icon on webkit browsers
Merge pull request #773 from franckstauffer/fix

Locales + incorrect publication status icon on webkit browsers
Minor locales and layout fixes
en_US locales updated
Bad locale
en_US locale updated
Removed useless help text
removed filter rbsCapitalize breaking label cases
Locales fixed
Update documents import / export
Add edition of 'targetId' price document property
Remove unused 'indexed' and 'cascade-delete' attribute on document property model
Code cleanup
Merge pull request #774 from fredericbonjour/Admin

Added possibility to create functional pages (as well as static pages) in the functions manager.
Merge pull request #775 from inthause/documents

Add edition of 'targetId' price document property
Add Expedition document
Improve expedition UI management
Fix a missing use in Block OrderProcessInformation class