Make this a GObject. Remove SoupServerMessage code (to

Make this a GObject. Remove SoupServerMessage code (to

	* libsoup/soup-server.c: Make this a GObject. Remove
	SoupServerMessage code (to soup-server-message.c). Remove CGI
	server code (for now?)
	(soup_server_add_handler, soup_server_remove_handler): Rename
	(from register/unregister) to make it clearer what they do.

	* libsoup/soup-server-message.c: Moved out of soup-server.c

	* libsoup/soup-private.h: Remove SoupServer def

	* libsoup/Makefile.am (libsoupinclude_HEADERS,
	libsoup_2_2_la_SOURCES): add soup-server-message.[ch]

	* tests/simple-httpd.c:
	* tests/simple-proxy.c: Update for SoupServer changes