Re #9357. Remove CompressedWorkspace and all references thereto.
Re #9357. Remove DataObjects depency on zlib.

It was only used by CompressedWorkspace (which is now gone).
Re #9357. Remove ManagedRawFileWorkspace2D.
Re #9357. Remove Managed Workspaces

along with associated classes and references thereto.

Now that we only support 64 bit we can just fall back on swap when
memory runs out.
Re #9357. Slight refactoring now that managed WS is gone.

The comments indicate that something unusual we being done because of
managed workspaces.
Merge remote branch 'origin/master' into feature/9357_eliminate_managedworkspaces

Conflicts:
	Code/Mantid/Framework/DataHandling/src/LoadRaw3.cpp
	Code/Mantid/Framework/DataHandling/test/LoadRaw3Test.h
	Code/Mantid/Framework/DataObjects/test/ManagedWorkspace2DTest.h
Merge remote-tracking branch 'origin/feature/9357_eliminate_managedworkspaces'