Fix #96. s/Mcq/Assessment::McqQuestion
Fixes #98. s/Mcq/Assessment::McqQuestion
Merge pull request #97 from jsyeo/jsyeo-fix-uninit-const

Fix #96 and #98. s/Mcq/Assessment::McqQuestion
Merge branch 'development' of github.com:Coursemology/coursemology.org into Deploy