add back-office xmlrpc api and daemon, RT#27958

Conflicts:
	FS/FS/API.pm
	FS/FS/Conf.pm
	FS/MANIFEST
	FS/bin/freeside-selfservice-xmlrpcd
	FS/bin/freeside-xmlrpcd
	init.d/freeside-init
add back-office xmlrpc api and daemon, RT#27958