Adapter 8 to 10mm

5/16" = 7,9mm rods are hard to find.
Build an adapter from 8mm to 10mm, which are a lot easier to find and
cheaper!
Top middle part

New design, so it fits the 10mm rods
Changed filename
clean up

added gitignore and created 10mm folder
raspi support
Merge pull request #2 from amittel/master

Raspberry support