Add a method to add translatable strings from the database
Update language templates
Update language files
Merge remote-tracking branch 'origin/master' into static-language

Conflicts:
	src/App/Tracker/g11n/templates/Tracker.pot
Merge branch 'master' into static-language
Fix container usage
Merge pull request #214 from joomla/static-language

Static language - Ref #166. Tested.