Fix placeholder documentation
Fix another paragraph
Documentation revision. Thanks @mkoistinen
Merge pull request #2249 from yakky/feature/ph_docs

Fix PlaceholderField documentation
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
Fixed typo from 'labes' to 'labels'
Fixed another typo where 'labels' should be instead of 'labes'
Fixed final occurrence of 'labes' in CMS code