Applied joev's patch for changing the colour of known blueprints. Supports red (default), green, and blue.
Added "grey" for Fisker.
Print out a confirmation message after choosing a colour.
Whitespace cleanup.
Made "grey" slightly darker.
Removed unused locals.
Add "/redprints" slash command in case "/rp" causes conflicts or is overwritten by another addon.
Add GLOBALS list for Mikk's debugging script thing.