TBoost.Role: Reserv directory



git-svn-id: http://svn.boost.org/svn/boost/sandbox/role@56764 b8fc166d-592f-0410-95f2-cb63ce0dd405
Role: Added first POC

git-svn-id: http://svn.boost.org/svn/boost/sandbox/role@78395 b8fc166d-592f-0410-95f2-cb63ce0dd405
Role: fix hiding function issue

git-svn-id: http://svn.boost.org/svn/boost/sandbox/role@78523 b8fc166d-592f-0410-95f2-cb63ce0dd405