Install django requirements on Travis
PyCon 2014 Sprint Additions

1. Add 'Required Background Knowledge' section
2. Add instructions on using virtual environments
3. Minor syntax updates
Add reference to CONTRIBUTING.rst in edx-platform repo.
Add Mike Dunn <mike@eikonomega.com>
Chose one way of creating virtual environments.
Run pep8 and pylint on Travis
We don't need xvfb to run the tests
Test building the docs
Clean up pep8 checking
Upgrade pylint
Reduce pylint error count
Limit pylint violations to 30 on Travis
fix spaces
corrected typo
go back up after making doc
pull sphinx build out into separate list item for travis
Add docstrings for __init__ files
Move pylint disable=too-few-public-methods to pylintrc
re-enabled pylint configuration customizations
Merge pull request #207 from singingwolfboy/improve-travis

Improve Travis build