add http://download.jboss.org/jbosstools/updates/requirements/mylyn/3.11.0-v20140314-2044/ site so we can include org.eclipse.mylyn.commons.soap_feature.feature.group 3.11.0.v20131219-1119 for use with Atlassian 3.2.2.v20130909 (JBIDE-16368)