Fixup import

https://github.com/behdad/fonttools/issues/6
Really fix GlyphCoordinates this time

Argh.  I should stop committing without proper time to test first.

https://github.com/behdad/fonttools/issues/4
Merge http://github.com/behdad/fonttools
More GlyphCoordinates fixup

I'm sure it's correct this time, though I couldn't reproduce the latest
issue Dave was hitting.
Merge http://github.com/behdad/fonttools