gitignore .uuid files in font directories
gitignore .uuid files in font directories

The UUIDs are random, so they're going to be different on every system.
We could perhaps have checked them in at the beginning; at this point
every system has a different set.  It doesn't matter; they're only used
locally for cache management.

ssavitzky/Honu,ssavitzky/Honu,ssavitzky/Honu