describe class public methods
add qt slots/signals supporting
implements core class
Add UDP service
Merge branch 'interfaces' of https://github.com/LuxoftLab/ShareClipboard into interfaces
change signals name
Add signals
Add signals
Add signals and delete room
Delete build files
added fails enum and tcp package class
treat socket as protected because inherited classes can't use it
fixed listener
send password and login to join room
Merge branch 'interfaces' of https://github.com/LuxoftLab/ShareClipboard into interfaces
uncomment emits
Merge branch 'interfaces' of https://github.com/LuxoftLab/ShareClipboard into interfaces

Conflicts:
	desktop/udp_service.cpp
comment some code
fix some bugs in udp service. temporarily disable tcp part