Fix lack of scrolling in submission light box
Thanks to @prabhanshu from PR #25 for the idea. I just added relative height
Closes issue #24
Merge pull request #27 from mitodl/cg/fix_modal_scroll

Fix lack of scrolling in submission light box
Update and rename README.rst to README.md

MARKDOWN > reStructured text.
Merge pull request #31 from itsbenweeks/master

Update and rename README.rst to README.md
Add Staff debug interface.
Updated README.md to include more detailed steps
Merge pull request #33 from jetej/readme_update

Updated README.md to include more detailed steps
Use release instead of master.

For this to work, the `release` branch should be used instead of `master`.
changing README to rst; make image links absolute
Merge pull request #36 from mitodl/pdpinch/convert-docs-to-rst

changing README to rst; make image links absolute
Use submissions app.
Fix tests, add test coverage.