ThreadUtil shipped a scope lock and a mutex implementation, which can be
removed since we now have these in the standard library.
This lets us clean up this header which get included everywhere (through
profiler includes).
Tested By: Angen and Stan
Differential Revision: https://code.wildfiregames.com/D1915
This was SVN commit r22344.
Fixes sound system to work with archives (use VFS files instead of
POSIX), fixes#1604.
Improves error handling and logging, refs #1594.
Allows sound to be disabled with -nosound/-quickstart runtime options or
--without-audio build option, fixes#1609, #1614.
Experimentally increases default buffer size to help prevent sound
stoppages.
This was SVN commit r12566.
