CAY-1883 - Clean up Cayenne maven structure - get rid of aggregate modules

* figuring out what's 'deployed' and what's not (and usung pom inheritance whenever possible)

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1542580 13f79535-47bb-0310-9956-ffa450edef68
CAY-1883 - Clean up Cayenne maven structure - get rid of aggregate modules

* redundant repo declaration

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1542581 13f79535-47bb-0310-9956-ffa450edef68
CAY-1883 - Clean up Cayenne maven structure - get rid of aggregate modules

* adding Eclipse handlers

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1542582 13f79535-47bb-0310-9956-ffa450edef68