Service improved
Merge branch 'master' of https://github.com/Seeem/MeetMe

Conflicts:
	MeetMe/bin/MeetMe.apk
	MeetMe/bin/classes.dex
	MeetMe/bin/classes/de/hfu/meetme/service/MMNetworkService.class
	MeetMe/bin/classes/de/hfu/meetme/views/UserListFragment.class
	MeetMe/src/de/hfu/meetme/service/MMNetworkService.java
	MeetMe/src/de/hfu/meetme/views/UserListFragment.java