Added information on how to retrieve SUPL parameters, and indicators to
userd on where to point to their own file or IP address. Removed unused
parameter wait_for_flowgraph.
Now the Galileo E1 receiver generates RTCM messages 1045 (ephemeris) and
MSM7 / 1097 (observables). Parameters related to RTCM included in conf
files. The TCP/IP server can be activated by setting flag_rtcm_server to
true.