i18n: extract new messages
i18n: update all translations
Merge branch 'develop' into geo

Conflicts:
	src/adhocracy/i18n/de/LC_MESSAGES/adhocracy.mo
	src/adhocracy/i18n/de/LC_MESSAGES/adhocracy.po
	src/adhocracy/i18n/fr/LC_MESSAGES/adhocracy.mo