Stop throwing exception when deleting saves on non-Windows platforms.
don't choose nodes for patrol if they're on fire
forgot #ifndef ...
missing class reference?
Patrol AI made to resemble xcom1

Units now patrol to random node on map (respecting scout bit). This is correct
xcom1 behavior according to Volutar.

Additionally, units won't choose their fromNode as a destination. This should
perhaps be expanded.
don't eternally patrol toward an unreachable node
sanity checks
revert previous commit.

or at least part of it.
fix: very rare mistake in TileEngine::canTargetUnit()
give savedBattleGame a pointer to the state, because we need it a lot.
make those public
make use of funky new stuff and fix "wrong soldier" bug
Merge pull request #385 from rohitnirmal/delete-exception

Stop throwing exception when deleting saves on non-Windows platforms.
Merge pull request #384 from hmaon/ai_continues

 Patrol AI made to resemble xcom1 + AI tweaks that mysteriously vanished
Merge pull request #387 from hmaon/interface

fade out sound with image post-intro, spam--
Merge pull request #388 from redv/fix_cantargetunit

fix: very rare mistake in TileEngine::canTargetUnit()
fix #ifndef for those two
survey function now uses Vol's new voxel exposure function

cover AI was completely broken because I reversed the signs between civilians and aliens... I really globbed up
fix for native midi volume

also other tweaks to volume levels