added Post model
ensure ckeditor is working
add grappelli for admin
ensure ordering is set
ckeditor pushed to pypi (thanks @shaunsephton)
add to travis
rename datefields to include _at
use value_list for category filter
use timezone.now() instead of datetime
remove ckeditor
Merge pull request #1 from praekelt/feature/issue-1-add-post-model

add post model