Convert project to VS2013 and add compiler flag for improved release debugging

See http://blogs.microsoft.co.il/sasha/2011/10/12/debugging-optimized-code-in-visual-studio-11/
for details on the compiler flag
Remove warning disabling pragma and properly mark methods as deleted
Remove a few VS2010 workarounds

VS2010 has problems with range-based for loops and with constructing a map item
that contained uncopyable types
Some small D3D/DS safety checks
Fix incorrect desktop audio mute threshold
Remove unnecessary GetQPCTimeNS call from main loop