Fix translation of Compose and Layout that must be in plone domain.
add french translation
add missing i18n:translate
rebuild locales
Update French translations
make styles non required and change formatting
refactor vocabularies and avoid ComponentLookupError when tile is not available
Styles vocabulary integrated into tiles...
Merge branch 'master' into css_class
Merge branch 'css_class' of github.com:collective/collective.cover into css_class