Merge branch 'encoder-routing-take2' into mainboard-v2.0

Cleaned up some traces and widened power distribution traces to 20mil.

Updated digikey part number on components, created BOM and Gerber output jobs.

fixed silk error

rerouted encoder interfaces and finished crossboard routing

Routed cross-board traces for rmii section.

Merge pull request #28 from UBC-Thunderbots/working-matthew2 User interface changes, silk screen, placements and some inter compon…

User interface changes, silk screen, placements and some inter component connections User interface changes, silk screen, placements and some inter component connections

Moved some silkscreen labels around in the User Interface Section.

Merge pull request #27 from UBC-Thunderbots/working-matthew2 User_interface_silk_screen_adjustments