unittest for new BroadcastReceiver is working
- implemented file storage of recent endpoints
- fixed bug in BroadcastReceiver::TwoSame unittest
- implemented a little helper class fot sockaddr_in, maybe this should be refactored somewhere, right now it is only used un BroadcastReceiver_ut
- refactored IPv4Addr
- cleanup macro from WiflyControl_ut.cpp
fix testfile name
make score modifiable
prepared broadcastReceiver for score usage by android client
implemented recent connections visible without scan in android application
fix android build
tried to clean up the heavy namespace usage
Merge branch 'broadcasts' into dev

Conflicts:
	android/WiflyLight/jni/WiflyControlJni.cpp
	library/BroadcastReceiver.cpp
	library/BroadcastReceiver.h
	library/ClientSocket.h
used callback in cli implementation
TODO:
- remove redundant code
- remove std::ostream parameter from BroadcastReceiver::operator()
fix unittest to use BroadcastReceiver::Callback
cleanup BroadcastReceiver
clean up BroadcastReceiver
Merge pull request #129 from tawarisch/master

Recent connections support for BroadcastReceiver