Merge pull request #201 from edx/will/fix-unicode-error-in-scenario-xml

Encode unicode as UTF-8 before passing it to cStringIO
Add Chris Terman
Add badges to README for travis and coveralls
fix up travis
Merge pull request #203 from singingwolfboy/test-badges

Add badges to README for travis and coveralls
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.