Add a few more custom trainer palettes

Use bold "H" for HMs in Bag

Verify item pocket data

Optimize a pop/push/pop sequence

Fix the Power Plant turbine animation and scene names

Add some more floating item balls

Animate sea-rock tiles like the surrounding water

Add a floating Poké Ball sprite (so far used only for a key item)

Firebreather sprite combines Prism's and FrenchOrange's designs

Refactor title screen copyright rendering

Restore "TM" to the title screen, and update the copyright dates

Move the faithful "F" indicator back to the copyright/version string, and add a "dbg" indicator (#1525)

Render the splash screen copyright dynamically too

Fix flash of title screen tile

Regenerate gfx/title/version.2bpp when Makefile is edited