Updated dist.info with 2.0.3 tag

Added new provides entries for bit32 and luaffi

[luadist-git] add luajit-2.0.2-Windows-x86

[luadist-git] add luajit-2.0.2-Darwin-x86_64 [ci skip]

Basic 32/64bit detection and Windows support

Updated lua macros

Updated to 1.1.7 and removed 51 suffix from the library

Autoconfig for LUA_ROOT.