Merge branch 'master' into rev3
Board modifications

    Changed headers
    updated some part values
Finished part list.
Added the mounting holes for the strap bracket.
Updated some part defs.

Specifically, some pad shapes/sizes were updated and some silkscreens were changed around.
Flipped pins PA1 and PB2 to put OE on a hardware PWM pin.

Other small improvements.
Moved a trace to a more pleasing position.
Moved the boost converter IC away from the shift register.

Beefed up the VRAWSWITCHED traces

Other minor trace changes.
Dealing with the PCB section cluter.
Minor routing changes
Gerbers!
Gerber file handling tools.
Unnecessary files.
Gerber merging tweaks.
A potential new battery module layout.
Another iteration of the battery module
Fine tuning of the Makefile
Adding values to parts, further tweaks to makefile
Partlists for manufacturing
Updated partlists to include location and rotation info.