Initial support for luajit 2.1.0-beta3.

source/libs/luajit/LuaJIT-src/COPYRIGHT

source/libs/luajit/LuaJIT-src/Makefile

source/libs/luajit/LuaJIT-src/README

source/libs/luajit/LuaJIT-src/doc/bluequad-print.css

source/libs/luajit/LuaJIT-src/doc/bluequad.css

source/libs/luajit/LuaJIT-src/doc/changes.html

source/libs/luajit/LuaJIT-src/doc/contact.html

source/libs/luajit/LuaJIT-src/doc/ext_c_api.html

source/libs/luajit/LuaJIT-src/doc/ext_ffi.html

source/libs/luajit/LuaJIT-src/doc/ext_ffi_api.html

source/libs/luajit/LuaJIT-src/doc/ext_ffi_semantics.html

source/libs/luajit/LuaJIT-src/doc/ext_ffi_tutorial.html

source/libs/luajit/LuaJIT-src/doc/ext_jit.html

source/libs/luajit/LuaJIT-src/doc/ext_profiler.html

source/libs/luajit/LuaJIT-src/doc/extensions.html

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source/libs/luajit/LuaJIT-src/doc/install.html

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source/libs/luajit/LuaJIT-src/doc/running.html

source/libs/luajit/LuaJIT-src/doc/status.html