Fixed to compile on MSVC 2013
Software rendering with SSE2 is enabled when complied with MSVC 2013 (avoids #269)
Fixed to compile on MSVC 2013
Raised version number
Disabled code signing for OS X version
Raised Info.plist version
ngspades: WalkAnimator: support strafing
ngspades: creating Arena with world with some entities no longer crashes
ngspades: World now can allocate player ID correctly
ngspades: faster & better player foot movement computation
Merge branch 'master' into ngspades
Merge branch 'ngspades' of https://github.com/yvt/openspades into ngspades