Rebase with official virtual machine branch dated on january 16-2013.

Everything works well. The tests ran as expected.
Issue:
Commented flag VM_HAS_CSS from some files (see below). It seems that the flags was not set to 1 in those files[!]. Maybe you can help me out with that.
- vm/main/smallint-decl.hh
- vm/main/smallintl.hh
- vm/main/coreinterfaces-decl.hh