Package generated add-on as a ZIP file for Directory

Change-Id: I50cba658a7d3aefcffcab1770aff8d6ae12364c0
Update archetype README.MD

Change-Id: I10ff812307cc40de43402d85bf270c9a049c53f9
Update SCM section in POM

Change-Id: Id5cb0a5d0a25220d96e7ca6a5402df4cd1939167
Downgrade Jetty to 8.x which does not require JRE 1.7

Change-Id: I06105a9c1a136529fe5be26a627f7c40fe546a1a