Merge pull request #1 from poliu2s/master

Testing workflow
Merge pull request #2 from poliu2s/master

Added view for list questions and modified questions controller.
Hooking up mongodb
MongoDB with list questions.
Merge pull request #3 from poliu2s/master

Added delete view, re-ordered maproutes controller.
Merging with Po's delete work.
Fix to schema to remove id. Use mongodb's built in _id.
Added delete question logic to controllers.
merging mongodb