Add power supply datasheet.
Add support files for setup of the SmoothStepper with the CNC machine.
Add PM-45M-CNC config files for Mach4. These files have the latest config information but are still not working completely with the machine.
Add Mach4 information including a folder for machine setup profile.
Add folder for CNC setup and support files.
Move drive axle into the drive train folder.
Move drive train guard into drive train folder.
Add svn:needs-lock property.