Initial Service Implementation for loading users
Initial implementation of the User class and the User Interface
Refactored GitLab.java to move display logic into it's own method
Added gitignore
Implemented the IUser Interface and implemented parsing on the server
Merge remote-tracking branch 'origin/ui'
Merge remote-tracking branch 'origin/async'

Conflicts:
	src/ca/ubc/cpsc310/gitlab/client/GitLab.java
	src/ca/ubc/cpsc310/gitlab/client/user/User.java
userlist
onSuccess