Hangover 0.1 beta

Hangover is a native Mac client for Hangouts, Google's instant messaging service. At the moment, it is essentially a native Swift port of Tom Dryer's hangups, which was the first third-party Google Hangouts client. In the long term, Hangover is intended to be the Google Hangouts client that Google forgot to make for Mac OS X. At the moment, Hangover is an extremely alpha project. It is slowly becoming usable as a chat client