JBIDE-16870 add org.jboss.tools.forge.m2e.feature to AdditionalTools and WebTools, similar to org.jboss.tools.forge.ext.feature
JBIDE-16870 JBIDE-17622 put org.jboss.tools.forge.ext.feature into Core + Web, and org.jboss.tools.forge.m2e.feature into Core + Maven