requirements/m2eclipse-wtp-0.14.0-release moves to requirements/m2eclipse/m2eclipse-wtp-0.14.0-release; update composite site (JBIDE-11677)
add README regarding deprecated requirements/builders (JBIDE-11677)
remove deprecated mirror builders for android, jrebel, jslint
update README (JBIDE-11677)
JBIDE-11677 point download.jboss.org/jbosstools/updates/m2e-jdt-compiler at LATEST http://download.jboss.org/jbosstools/updates/m2e-extensions/m2e-jdt-compiler/ site
graphiti builder not needed as this is included in Juno/Kepler
set soa tooling composite reqs site for juno-based builds to use Juno SR1 instead of explicitly referencing Graphiti 0.9.1, as it's included in Juno site; make new SR1a version of the composite and point to that by default