Rename core dru files to remove spaces
Rename core cam files to remove spaces
Rename core dru files to add uppercase letters

Uppercase letters look better here.
Add description files for Eagle
Remove cam files

These files are taking up a lot of space in the repository. I realize
they're convinient, but they do not take long to generate and they are
in effect, duplicate data.
Rename file names to remove spaces
Remove documents

The HAB shield directory is now gone. It only ever contained documents.
The Nebula pdf was duplicate data and should no longer exist in the
repository.
Merge branch 'master' of github.com:pygmyos/boards