CogVM source as per VMMaker.oscog-eem.826/r3048

Fix the ZipPlugin (InflatePlugin&DeflatePlugin) to no longer depend on specific

instance sizes for ReadStream and WriteStream which allows some leniency in

redefining these classes. ��Fixes occasionaly Monticello commit bugs with

large packages after loading Collections-eem.567.

Fix compilation warnings in stringForCString:

Add a -warnpid flag that causes warning to print the pid;

useful in debugging multi-image tests (i.e. magma).

Reimplement the backward count in interpreted methods, storing the count

in IFrameFlags, hence eliminating the requirement that the jump happens

consecutively N times in a single method with no backward jumps in any other

method. ��The Chameneos benchmark has this pattern and so two methods don't

get jitted. ��This eliminates lastBackwardJumpMethod & backwardJumpCount.

Spur:

Fix bad bug in remapObj: that confused the test for old vs

new and hence tried to copyAndForward old objects.

Fix bug in processWeaklings that could remember a weak object twice.

Mark the methods used by SpurMemoryManager>>globalGarbageCollect as

inline: #never for profiling.

Spur Newspeak:

Initialize numIRCs before checking for quick prims.

Eliot