Fixed a crash in WSSAnvil.

Reported as #1448.
Fixed compiler warnings in 1.8 protocol.
Merge branch 'master' into WorldLoader
Anvil: Wolf collar color is a byte in Vanilla.

Kept the old Int reading for compatibility reasons.
Ref.: #1448
QtBiomeVisualiser: Fixed MSVC path-crossing.

MSVC would occasionally compile the wrong CPP file - the same name, but wrong path.
Merge branch 'master' into WorldLoader
Don't create two entity lists.