Fixed Maven release name

Fixed the release name for the build back to "next" after it had been
changed to "2.2.0" for the release and never reverted.
Signed-off-by: Robert Smith <smithrw@ornl.gov>

org.eclipse.ice.parent/pom.xml

@@ -4,7 +4,7 @@
 
 	<!-- Custom properties -->
 	<properties>
-		<releaseName>2.2.0</releaseName>
+		<releaseName>next</releaseName>
 		<tycho-version>0.24.0</tycho-version>
 		<tycho-extras-version>${tycho-version}</tycho-extras-version>
 		<cbi-plugins.version>1.1.3</cbi-plugins.version>