JBIDE-11677 create builder for m2e-mavenarchiver 0.15
JBIDE-11677 point m2eclipse-wtp/composite*.xml at updates/m2e-extensions/m2eclipse-wtp and updates/m2e-extensions/m2eclipse-mavenarchiver
JBIDE-11677 make composites for m2e-extensions/m2eclipse-wtp (v0.15.3) and m2e-extensions/m2e-mavenarchiver (v0.15.0)