Made makefile a bit cleaner (it is still a mess)
Stefan fix - return filetree
Merge remote-tracking branch 'origin/stagstededits'

Conflicts:
	AppLayer.cpp
	AppLayer.h
	Makefile
	PhysicalLayerEmu.cpp
	README.md
CLI UPGRADED!
sendFile blocks until done.
Changed Recorder, Player, PhysicalLayer and DataLinkLayer to singleton.
Applayer is  now singleton
Merge branch 'qt' of https://github.com/Projektgruppe3-RobTek/DTMFMagix into qt

Conflicts:
	dtmfmagix.cpp
	dtmfmagix.h