Mention zoom key in movement training

Fix wrong ice beam angle if it goes diagonally up out of map thru world wrap (bug #718)

Frontend: More button padding tweaking

TS: Restore 2 of the "specialist" letters

merge release branch

tabs to spaces

deletegear rearrangement applied to branch too. if this causes desyncs you're probably in a crashy state already

couple more use after frees for gear deletion. also rearranged lines a bit and added a redundant exit to try to proof things a bit. more evidence we need rust.

Make sure to render crosshair above render

Render contour of flying saucer is in (mostly) opaque