groupId moved to org.apache.jspwiki, in order to keep the statistics at analysis.a.o when we make the switch from Ant to Maven

JSPWIKI-771: release profile to attach source, javadocs and sign generated artifacts 

git-svn-id: https://svn.apache.org/repos/asf/incubator/jspwiki/branches/MVN3_BRANCH@1470730 13f79535-47bb-0310-9956-ffa450edef68