It is a global variable, and it's sort of bogus if every C file
re-declares it as a static global variable that is assigned to the
same value as the "real" global one during start-up.
Change-Id: I6f3e50f071fb2fbbe58413b4760dc2215055a444
Add config file, mainly for logging control.
Open VTY on the OMSO_VTY_PORT_HLR added to libosmocore in
commit 92fa18e6b800a27aa064a5fb8321cddd7383ae20
aka change-id I08cb52d9399a27e6876e45da36f434708c4fddef.
Add hlr_vty.h/c for standard VTY setup.
Add -c option to pass config file.
Add --version option.
Change-Id: Iedb884345a597371a337b0c67eb6013b7d5d1ce1