Bugfix: sb2-init's argument parsing now canonicalizes $PWD
Bugfix: sb2-init's argument parsing now canonicalizes $PWD

- sb2-init records current directory to $SB2INIT_TARGET_ROOT;
  a canonical version must be used (i.e symlinks must be resolved),
  otherwise some reverse mappings may fail (at least in the
  "emulate" mode)

BinChengfei/scratchbox2,OlegGirko/ldbox,BinChengfei/scratchbox2,madscientist42/scratchbox2,loganchien/scratchbox2,OlegGirko/ldbox,madscientist42/scratchbox2,madscientist42/scratchbox2,ldbox/ldbox,ldbox/ldbox,lbt/scratchbox2,loganchien/scratchbox2,loganchien/scratchbox2,BinChengfei/scratchbox2,OlegGirko/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,loganchien/scratchbox2,h113331pp/scratchbox2,BinChengfei/scratchbox2,ldbox/ldbox,lbt/scratchbox2,ldbox/ldbox,h113331pp/scratchbox2,lbt/scratchbox2,madscientist42/scratchbox2,BinChengfei/scratchbox2,h113331pp/scratchbox2,madscientist42/scratchbox2,ldbox/ldbox,h113331pp/scratchbox2,lbt/scratchbox2,madscientist42/scratchbox2,loganchien/scratchbox2,loganchien/scratchbox2,ldbox/ldbox,BinChengfei/scratchbox2,OlegGirko/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,lbt/scratchbox2