Added german informal translation (du)
Bugfix for Django 1.6
update Turkish translations.
Merge pull request #309 from gkmngrgn/fix-turkish-translation

Turkish translations.
Merge pull request #305 from SkyTruth/master

Bugfix for Django 1.6.
Merge pull request #304 from TomLottermann/master

German informal translation.
Merge branch 'upstream'

Conflicts:
	userena/backends.py
	userena/urls.py