added structure dat_thread_int_str

contains
	PID of thread
	name of channel
	status (ie. signal if tread should be terminated)
Added status_run for each thread
Do not need to save socket nr in Rec node, remove
temporary commit
removed number of connections
request identification moved to Ident_Sys)Comm_Channel
Serve_Body clean-up, added functionality to Ident_Sys_Comm_Channel