Fix some errata

Thanks for the handy reference! Sorry, I synced my fork with the upstream repo after I committed my fixes, so my second commit is superfluous. Hope this isn't too troublesome. It's my first time creating a pull request!

Fix some errata:

http://www.fullstackpython.com/best-python-resources.html
- the Python programming and the => the Python programming language and the
- There’s so many => There are so many
- description of its one’s => description of how it fits one’s

http://www.fullstackpython.com/django.html
- Tango with Django are a extensive free => Tango with Django is an extensive set of free
- How do I setup a Django … Project => How do I set up a Django … project
- major released => major release

Didn’t find table-of-contents in source/content/pages. Pardon my ignorance. Where’s the right place to edit it?

[Pending] Let me know if you’ve handled this. Cheers.
http://www.fullstackpython.com/table-of-contents.html
- table of content => table of contents