That's about all the work configure.ac does.
Moved config.pc.in to server, and updated Makefile.am and
server/Makefile.am accordingly
Signed-off-by: Uri Lublin <uril@redhat.com>
Replace all $(top_srcdir)/common.
This would (after following patches) enables building the server from
either spice/ (top directory) or spice/server.
Signed-off-by: Uri Lublin <uril@redhat.com>