Changes for OBF-228 Add support for uni-directional entity relationships

git-svn-id: svn://svn.openvpms.org/openvpms/framework/branches/1.8-dev@5851 9e4fa352-aafb-0310-9071-df624684024b
Add support to pass collection parameters to named queries

git-svn-id: svn://svn.openvpms.org/openvpms/framework/branches/1.8-dev@5862 9e4fa352-aafb-0310-9071-df624684024b
Changed EntityRelationshipAssertions to use PeriodRelationships - this allows support for both EntityRelationships and EntityLinks

git-svn-id: svn://svn.openvpms.org/openvpms/framework/branches/1.8-dev@5863 9e4fa352-aafb-0310-9071-df624684024b
Changed NamedQuery to enable names to be passed as vargs

git-svn-id: svn://svn.openvpms.org/openvpms/framework/branches/1.8-dev@5865 9e4fa352-aafb-0310-9071-df624684024b
Signed-off-by: benjamincharlton <benjicharlton@gmail.com>
Merge branch 'remote-1.8' into 1.8-Dev