implemented “messages” to only display on first visit to CityView
reset first visit count on home view by holding touch event for 3 seconds (uncomment if statement for 3 finger touch-hold—can’t test in simulator)

messages method still needs to be implemented

added tinted box for “Start” button so users won’t feel the need to click “Runoff” title

organized CityView implementation file by grouping similar types of functions
Merge remote-tracking branch 'github/master'
Condensed NSUser default lines into one view
Merge remote-tracking branch 'github/master'