Added the ability to login and logout users, as well as display their username
dashboardActivity changes
Bluetooth scanning and populating working, todo... pause the bluetooth thing a banch
austins changes
Merge branch 'austin' of https://github.com/Tankbox/SocProxPreAlpha into austin
Added FragmentRestCaller for Async calls to server.
Merged Austin's branch, added Async Fragment Rest Caller.