Refactoring
Added styling, added code to number of requests
Added charts and assoc gems
Merged with master
Fixed specs
Fixed pie chart to show category name
Added teacher leaderboard
Added Seed for requests
Added prettify js to local repo, decrease reliance on internet
Refactored using scopes
Pushed code to model
Pushed code to model
Added option to wait time and queue length to switch cohort
Fixed cohort setting to nil
Populates requests if on development
Fixed error populating stats when cohort is nil
Cleaned up code for todays average queue
Fixed problem with dividing by nil class
fixed specs
When changing cohorts, changes stats