pepare for release

git-svn-id: svn://svn.openvpms.org/openvpms/openvpms-sms/trunk@6025 9e4fa352-aafb-0310-9071-df624684024b
1.7.1 release

git-svn-id: svn://svn.openvpms.org/openvpms/openvpms-sms/tags/1.7.1@6043 9e4fa352-aafb-0310-9071-df624684024b
Merge remote-tracking branch 'remotes/tags/1.7.1' into 1.7.1-CDIT-beta

Conflicts:
	pom.xml