now gives warning if mISDN branch is wrong.

also some work on chan_lcr.

	modified:   Makefile
	modified:   apppbx.cpp
	modified:   bchannel.c
	modified:   chan_lcr.c
	modified:   chan_lcr.h
	modified:   dss1.cpp
	modified:   dss1.h
	modified:   extension.c
	modified:   extension.h
	modified:   genrc.c
	modified:   ie.cpp
	renamed:    admin_client.c -> lcradmin.c
	renamed:    admin.h -> lcrsocket.h
	modified:   mISDN.cpp
	modified:   main.h
	renamed:    admin_server.c -> socket_server.c
	renamed:    admin_server.h -> socket_server.h
	modified:   todo.txt