added bootplus stylesheets and updated chat view
updated view styles for conference schedule and tracks show page
Integrate QuestionFetcher gem
updated js to syncronize height of both question and chat divs
Merge branch 'question_gem' of github.com:7maples/backchannel-app into integrate_views
integrated QuestionFetcher and successfully retrieved question
added model to submit questions
added functionality to close modal on submission
sorted questions by vote count, added vote count, added voting functionality
added database cleaner