Refactor quizBuilder to taskBuilder
Merge remote-tracking branch 'upstream/master'
refactored quizBuilder to taskBuilder

Conflicts:
	src/run_sandbox.py
Merge pull request #17 from travisreed-wf/master

Existing User registration
Merge remote-tracking branch 'upstream/master'
pull Travis's changes
Resolve merge conflicts
Merge pull request #18 from aguibert/master

Refactor quizBuilder to taskBuilder
Merge pull request #4 from ISUWebPortal/master

Update
Added in course

home page now links to a course page specific to that course. Course
page layout created.
Merge pull request #19 from jdmielke/master

Home page course link and Course page
Fix bug for multiple videos on taskBuilder page
Merge pull request #20 from aguibert/master

Fix bug for multiple videos on taskBuilder page
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