update pokered_dir.py to use cwd for path

This will be fixed when redtools is merged into the rest of the junk,
but for now the path will just be the cwd.

This is necessary for pokered gbz80disasm.
fix rom path in another redtool
also import os
Merge pull request #26 from kanzure/fix-pokered-paths

fix pokered paths in redtools

Argh, these need to go away.