Merge pull request #2 from suziam/master

addition of kittybot decal files, fun_stuff dir
Update README.md
Updated EPS files to be more Ponoko friendly
Added contributed Ponoko compatible files from Dennis White - https://github.com/dniswhite/sumobot-cutting_plans
Adjusted distance of plow holes
Added parametirzed svg
Saving work before translation and adustments
Parametric svg version WIP
Merging in changes from other laptop :p
Added tab calculation
Finished shovel and side tabs
Added arduino mount holes
Added more parameters. Using trig to figure out bottom plate height.
Added ziptie holes
Mirrored side
Added grill and markings
Added screw holes for motor
Various adjustments to wheels, ziptie holes, and motor holes
Added accesory holes
Moved accessory hole alignment