Merge pull request #4 from roghu/master

Version 0.2
Add django-debug-toolbar
Add prefetch to PostListView
Add category
Add django-debug-toolbar and refactor
Add ckeditor and pillow
Add media settings
Add ckeditor
Change body field to ckeditor.RichTextArea()
Change body to unescape html
Add ckeditor and media settings
Move django-debug-toolbar
Add haystack and whoosh
Add haystack app
Add whoosh_index
Add search post
Add search template
Add search
Add category_list to sidebar
Add button to change