Murphy fixed normals and uvs in alemebic convert
Merge pull request #138 from bkingery/master

Murphy fixed normals and uvs in alemebic convert
Removed abc2bjson tool

With Houdini 12.5 supporting direct loading of Alembic files into
Mantra, this tool becomes obsolete.

Also, changed lockedBy function to only use Python 'pwd' module,
not spawn a subprocess. Should be cheaper.