ChangeSemesterController clears state between presentations
Adds presentation of user info controller
Adds profile picture and fixes layout of user info view controller
Sets up pickers for user info page
Implements user info view controller update
Fixes icon aspect ratios
Removes decoration views
Fixes activity indicator layout
Adds user info loading optimization
Adds disable and enable for navigation items in view controller
MenuController dissappears on scrolling
Fixes menu schedule cell and ipad bar button
Fixes layout of incomplete user controller and user info controller
Fixes incomplete user text label issues on iphone
Fixes ipad constraints for intro label