Deleted test folder because using RSpec
Removed total friends method because it wasn't being used (and corresponding tests)
Differentiated rejected friend request from removing a friend
Merge pull request #6 from edatrix/friendships-refactor

Friendships refactor
Merge branch 'friends-compare' of github.com:edatrix/runline into friends-compare
WIP: test for longest run passing. test for average pace in progress