scons: attempt to automatically detect JAVA_HOME and JS_COMPILER (#450)
scons: attempt to automatically detect JAVA_HOME and JS_COMPILER (#450)


tavendo/AutobahnJS,crossbario/autobahn-js,tavendo/AutobahnJS,tavendo/AutobahnJS,crossbario/autobahn-js,crossbario/autobahn-js,crossbario/autobahn-js