Added api endpoint for collecting user feedback
Merge branch 'master' of https://github.com/QuizHours/QuizHours
Removed error throwing so server doesn't crash on bad data
Added input checking to api endpoints
Fix robustness issue with submitting requests for documents that don't exist
Fixed bug involving mongo throwing error; result.length > 0
Repositioned quizbuilder logo
Added google analytics
Merge branch 'master' into ashwin