Translated using Weblate (Czech)

Currently translated at 94.4% (85 of 90)
Translated using Weblate (Greek)

Currently translated at 73.3% (66 of 90)
Merge remote-tracking branch 'weblate/master'

Conflicts:
	locale/cs/LC_MESSAGES/django.po
	locale/el/LC_MESSAGES/django.po