Uncommenting the pdb=1 line will cause pdb to open on every test
failure, allowing immediate debugging of the failure case

Use setup.cfg to set up default settings when running nose tests. Enable
the rednose library to color test output.

Don't try to export orphaned draft items.

#278

Update with 2013-04-10 changes

Grading works when sequence is loaded from saved state

fixing the visual display of the stanford logo 

fixing the visual display of the stanford logo used in press releases on the homepage and dashboard (proportions were off)

Fix/vik/sa and coe

cope with ErrorModule as source (or required) module, and add tests.

add documentation for HTML textbook

Disable nps survey in test environment

Pep8 fixes for drag and drop tests

more cleanups in CMS project

violation fixes

Remove npm package from Ubuntu installation dependencies file.

Install of edX gives the following error:
-----------------------------------------------
The following packages have unmet dependencies:

nodejs : Conflicts: npm

E: Unable to correct problems, you have held broken packages.
-----------------------------------------------

This is caused by the latest version of nodejs including npm and being
incompatible with the previous version.

Fix is to remove npm line from apt-packages.txt

Pylint and Pep8 fixes for InputTypes