bug fix
FindSDL.cmake is unused
Moved includes to appropriate place
Get rid of useless return values
Closes #888: Treat "Bip 01" as animation root if existing
Terrain: change world bounds from AABB to 4 floats
Don't list unnamed quests in the quest book
Fix AiCombat for creatures with weapons
Made the git version retrieval more reliable
Some changes to the version retrieval: ignore shallow clones
Added some sanity checking: compare git version with manual version
Removed git tag retrieval for Travis
Revert "#1041 in progress: decode first sample batch right in OpenAL_SoundStream::play()"

This reverts commit 51fb9f65ea5086433fa0d1db12197b133a9b27fd.
fix broken esm writer header code
updated changelog
another esm writer fix
Allow MinGW64 compilation in Windows/msys
Fix Windows save & load.
Another attempt at fixing MinGW64
minor addition to change log