update requirements.txt

Add Pillow and django-tinymce
Move media outside static
use disqus from pypi and remove local version
Do not initialize hljs on gists
Do not set max-witdh for pre tag in gists
Use special symbol "»" instead of ">>" in blog categories list
Increase virtual css version
Add seo_keywrds and seo_description fields into Blog Entry model
Add blog entry keywords and blog entry description in SEO meta tgas
PEP8 refactoring
Make tinymce setting to be changable from settings local

Use __import__ instead of pur import for PEP8
Remove Deprecated methods
Make more SEO friendly description of home page

Reduse the length of description to be less than 255 chars.
Update
Merge branch 'master' of github.com:vstoykov/venko-django-site
Move ligntbox css to gallery template
Add meta description for blog index
Update 404.html to be static and add 500.html
Use django template for 404 page
Fix problem with blog entry urls in blog index