Added login GUI
Merge branch 'master' of https://github.com/sstraw/csci201-Group
Merge branch 'master' of https://github.com/sstraw/csci201-Group
Merge branch 'master' of https://github.com/sstraw/csci201-Group
Merge branch 'master' of https://github.com/sstraw/csci201-Group
Merge branch 'master' of https://github.com/sstraw/csci201-Group
Client updates -> basic login/waiting room functionality