Fix 500 error when self-assessment has default dates
Merge pull request #224 from edx/will/date-bug-fix

Fix 500 error when self-assessment has default dates
Preserve line breaks in prompt
Merge pull request #225 from edx/will/question-line-break

Preserve line breaks in prompt
Revert setup.py name change back to ora2
Merge pull request #226 from edx/will/avoid-mass-hysteria

Revert setup.py name change back to ora2
Updating the Assessment Models