fix i18n msgids
regenerate po files
keep consistent with Plone UI
add a method to get current context objects language name in Native
use native language names in translation edit form
add translation i18n:translate tags
improve the default messages for msgids
regenerate po files
expose the portal_types blacklist to the user interface
Update documentation, fix some literals.
Merge branch 'master' of https://github.com/plone/plone.app.multilingual
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/plone/app/multilingual/browser/templates/migration.pt
We are going to remove the catalog ! and improve helper views and not_translated_yet on the portal root
Merge branch 'master' of github.com:plone/plone.app.multilingual
fix i18n msgids
Merge remote-tracking branch 'upstream/master'