FIX: mpr/http version dependencies.
CLEAN: formatting only.
FIX: ejsc -V version information.
FIX: Ejscript

- Protect web socket close race. Could get null reference in web socket callback onWebSocketEvent.
-
FIX: Add missing GC markings on lastFlash.
FIX: shutdown race with service events thread.
DEV: Add locking to closeSocket.

Helps save bad code that is using multiple threads on single socket (bypassing dispatcher).