minor: add new widgets
Merge branch 'master' of github.com:mntmnt/uievent_interception

Conflicts:
	main.cpp
	raw-input.pro
remove unused code
update mouse_widget: now mouse is drawn manualy

Signed-off-by: MNT DXM <mntmnt7@gmail.com>
Add working mouse-widget:
now Plug/Unplug device is catched
mouse buttons and wheel are reflected to corresponding image
move out Win specific code into concrete place: win_specific.cpp