Updated styling for User Configuration view
Added Put method to ConfigController
Added spinner to website buttons
Make use of user's quiz calendar
Make controllers use lazy TableStorageContext
Rename web UI labels
Reduced height of loading spinner
Removed unused files
Handle card levels beyond a user's calendar
Added ApplyQuizResult and ReverseQuizResult

to replace DecrementCardLevel and IncrementCardLevel
Update text on User Configuration view
Create default quiz calender for new users
Update default calendar intervals
Save most recent quiz result on card
Set card border color based on quiz result
Handle time zones
Live upate card border color during quiz
Refresh quizCard cache client-side

Don't make a call to refresh the quizCard cache if the card cache is
updated
Rename quizCards to quizCard in dataContext
Rename cardChangedPub to cacheChangedPub