remove factorygirl from run_spec and user_spec
remove factory girl from friendship_spec
remove factory girl from formatter_spec
remove factory girl distance_converter_spec
remove factory girl from add_friend_use_case_spec
Merge pull request #2 from LouisaBarrett/nuke_factorygirl

Nuke factorygirl
remove factories folder, all tests passing without factory girl
Merge pull request #3 from LouisaBarrett/nuke_factorygirl

remove factories folder, all tests passing without factory girl
Merging master w/ refactor branch