Add pre-release comments to silkscreen and top/bottom copper and to PCB document, for quoting by PCB vendors.
Add USB 3.0 ID pin support.
Add project name/URL, release date, handwriting silkscreen block.
Removed a dangling USB 3.0 PIPE trace (potentially many more, as I did an "unconnected traces" cleanup).
Fixed MIC5207-BM5 symbol to have correct power input/output pin types.
Modified TPS2065C-2, TPS54218, TPS27081A symbols to reduce DRC errors.
Added no-connect on DC jack insert detect pin.
Switched USB3_MICRO_AB symbol ground pin from power output to power input to eliminate a DRC warning.