Create Find Friends functionality

[wvdk]

Branch Issue-183-Friends

[wvdk]

http://stackoverflow.com/questions/39320213/filtered-searches-with-firebase https://www.quora.com/How-would-you-search-a-Firebase-Realtime-Database-with-a-substring http://stackoverflow.com/questions/37879909/search-all-user-by-users-full-name-in-firebase-ios http://stackoverflow.com/questions/38274568/swift-firebase-search-in-database http://stackoverflow.com/questions/27341888/iterate-over-snapshot-children-in-swift-firebase https://firebase.google.com/docs/reference/ios/firebasedatabase/api/reference/Classes/FIRDataSnapshot#children

[wvdk]

• [x] Create firebase maintenance functions file
• [x] Create a function that goes through every user and creates a “searchName” value
• [x] Make TableViewCell for Find Friends
• [ ] Create userFriends and handle adding and removing
• [ ] Polish up Find Friends