Use RPM directory macros

--HG--
extra : rebase_source : 5caa0db068f990d7f7ce402a375b558d02d317a5

Conflicts:
	mk/xsconsole-plugins-oem.spec.in
	mk/xsconsole.spec.in
CP-9902: ring0: supply "originator" to XenAPI login_with_password (CI-44)