Changes for OVPMS-1526 Stock location preferred suppliers

git-svn-id: svn://svn.openvpms.org/openvpms/vpms/trunk@6224 9e4fa352-aafb-0310-9071-df624684024b
Changes for OVPMS-1526 Stock location preferred suppliers

git-svn-id: svn://svn.openvpms.org/openvpms/vpms/trunk@6231 9e4fa352-aafb-0310-9071-df624684024b