Merge branch 'power_transcription' into 'master'

Removed old photo transcription project, removed unused power schematic document.

Added dummy copper and board outline in layout editor.

Adjusted labels.

Finished rough addition of power board components and expanded reference image scale to match.

Added some image transformations, combined reference documents.

Added more reference imagery.

Added version B schematic, renamed a few documents.

Some loose schematic capture for power section, document addition, reference document addition.

Added all original documents.