FIX: MprCmd creating wait handlers on windows (can only be sockets).
FIX: windows MprMutex not initializing freed.
FIX: mprDestroy beating service events thread to start.
FIX: windows API deprecated warnings.
REFACTOR: GC marking. Match header with Mark managers order.
DEV: Prep for adding MPR_NOT_ALL option to do an abbreviated shutdown.
UPGRADE: osdep pak.
REGEN projects and doc