1. Added plugin that will start Broker
2. Updated assembly pom to include the new plugin but still commented out.
3. Updated memtest plugin dependency version config.
4. Updated root pom.xml to use https on scm connection.
git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@412955 13f79535-47bb-0310-9956-ffa450edef68