Modified the representation of forwarding pointers in memory to match the
  specifications in the header-bits file.


git-svn-id: https://smlnj-gforge.cs.uchicago.edu/svn/manticore/trunk@5795 ac4fbcad-d21d-0410-b760-c7b1d3380187
whitespace fixes & added an assert


git-svn-id: https://smlnj-gforge.cs.uchicago.edu/svn/manticore/trunk@5796 ac4fbcad-d21d-0410-b760-c7b1d3380187