Moved Boost.MPL.Core headers to a sublibrary.
Moved tests for core components to the sub-library.
Moved min/max to MPL.Core.
Removed dependency on TypeTraits.
Added a sublibs tag file.
Added a readme file.
Removed workaround for Borland Compiler 5.9 to avoid dependency on TypeTraits.
Fixed tests compilation.
Use core/lightweight_test.hpp.
Moved sizeof.hpp to core components.
Moved testing headers to tests to avoid dependency on Boost.Core.
Updated tests and jamfiles to reflect the changed testing headers location.
Merge pull request #11 from Lastique/modularization

Separate MPL and MPL.Core

Unfortunately, I'm not able to test it right now.