Fix setting gravity multiplied by million for a moment of time on new turn on certain circumstances

use copyToXY instead to improve legibility

Try to handle negative gravity w/ snow. Still needs to look nicer. Currently causes banding.

Fix crash in case of critical image missing

Uhm... this seems to count as a workaround, not tested though

Revert 5f34d3341fc1 and 28d5cebdf660, fix 9b789de8e5df instead

Get rid of teamownerId since rejoin feature makes it virtually useless, as you cannot rely on it anymore. Should fix recently experienced server crashes.

tweaks to try and make flakes better behaved in negative gravity. branch safe.

Server-side workaround for frontend's script parameter bug in .21

this should probably work

Merge fixes from .21 branch

revert 9b789de8e5df on branch based on feedback from zorg - seems to be breaking gameplay

Use ghc return value instead of looking for the stderr, do not throw error when an haskell module throws a build failure, e.g. because of false positives like this one (debian/arm*) "You are using a new version of LLVM that hasn't been tested yet! We will try though..."

Find lua 5.1 on fedora machines (taken from fedora hw git)

Fix arm* build failures