parameter_ext dir

git-svn-id: http://svn.boost.org/svn/boost/sandbox/parameter_ext@49630 b8fc166d-592f-0410-95f2-cb63ce0dd405
parameter_ext initial version

git-svn-id: http://svn.boost.org/svn/boost/sandbox/parameter_ext@49643 b8fc166d-592f-0410-95f2-cb63ce0dd405
parameter_ext initial version

git-svn-id: http://svn.boost.org/svn/boost/sandbox/parameter_ext@49644 b8fc166d-592f-0410-95f2-cb63ce0dd405
Change to mpl_ext namespace

git-svn-id: http://svn.boost.org/svn/boost/sandbox/parameter_ext@49653 b8fc166d-592f-0410-95f2-cb63ce0dd405
add detail dir

git-svn-id: http://svn.boost.org/svn/boost/sandbox/parameter_ext@49654 b8fc166d-592f-0410-95f2-cb63ce0dd405
Change to mpl_ext namespace and move to detail

git-svn-id: http://svn.boost.org/svn/boost/sandbox/parameter_ext@49655 b8fc166d-592f-0410-95f2-cb63ce0dd405