Set up a spare Raspberry Pi with DHCP and git servers

[jwalthour]

It'd be super handy to have a usable "github" while we're in the pits, where there is no internet.

[jwalthour]

Should also drop files on there that might come in handy to us and other teams:

• firmware for talons
• wpilib update(s)
• manuals (FRC, Talon, other)

[jwalthour]

Project dubbed PitHub.

[RuggS]

this is done