Added Lua interpreter ver 5.2.1 to source tree.
Made adjustments to moaicore code to build and run correctly with Lua 5.2. Some features are currently disabled:

* MOAILuaRuntime.dump and MOAILuaRuntime.dumpStack are disabled
* lua extensions (moaiext-luaext) is was not ported and is missing when Lua 5.2 is used.

Added lua 5.2 support to VS 2010 build system.
Merge branch 'master' of github.com:selitvin/moai-dev