chansrv: change global log level
added xorg/X11R7.6/ to gitignore
rail: 
o fix server->client handshake message
o send server->client handshake on rail_init (not in exec)
o fix read_unicode length param
rail:
o added system param msg from server to client
o added exec result msg from server to client
o temporary fix in window_create (turn off root window flags)
o turn off all rail orders in rail_xevent

xrdp_mm:
o create_window: turn off root window / rp content 
o started to implement actively monitored desktop msg