Add more thorough check to language configuration in 'check' command
Add warning about using the correct language codes
fixing punctuation in the README's intro
Merge pull request #2269 from mikedory/develop

fixing punctuation in the README's intro
Add language code example to check function to clarify possible language/locale confusion
Fix whitespace issue
Merge pull request #2263 from yakky/feature/docs_langs

Checks against common error in language settings
Update setup.py to require django-mptt==0.6 for python 3 support
Relax django-mptt specs to allow django-mptt==0.5.2
seems to me like database setup has nothing to do with templates, probably an error in the hierarchical levvel setting - fixing this by setting some of the parts one level up
adjust markup
Merge pull request #2287 from yakky/feature/fix_mptt_version

Update setup.py to require django-mptt==0.6 for python 3 support
Merge pull request #2289 from henning/bugfix/doc-structure-correction

fix for issue #2288