JBIDE-16608 new screenshot + updated copy to include D+D links for Central installation.
JBIDE-16608 make the screenshot a popup (reuse code from http://localhost:4242/community/ -> IRC instructions button); refactor images so they can be parameterized; refactor code so it's simpler
JBIDE-16608 new installbutton-* images for use w/ JBoss Central draggable link
update screenshots to show dragged link (JBIDE-16608)