Bump minimum Boost version for Clang.

Clang 3.3 has some issues with Boost 1.53, so bump the minimum to 1.54.
Move update-potfiles to bin.

This was the last utility script hanging out at the top level.
Ignore Windows-generated desktop.ini.
Merge branch 'master' of https://github.com/HoverRace/HoverRace
Remove old Win32 Lua and Luabind projects.

We don't need these anymore since we bundle Lua and Luabind.
Upgrade Win32 lib projects to VS2013.
Upgrade libcurl to 7.36.0.

Also built for VS2013 runtime.
Disable SSE2.

This fixes the build on VS2013.

http://forums.libsdl.org/viewtopic.php?p=40578&sid=2205186298e6252cde09486d08f8b376#40578
Rebuilt libraries with VS2013.

This is so we use the same runtime for all of the libraries we build
ourselves.
Merge branch 'master' into rulebook