merged [85497] from trunk

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85509 b8fc166d-592f-0410-95f2-cb63ce0dd405
Big merge of Boost.CircularBuffer :
* Full merge of QuickBoock documentation from Paul A. Bristow
* Merged rvalue references support with tests and documentation (fixed #7888)

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85510 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merge tests of Boost.Any from trunk (refs #6999)

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85511 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge [85488] from trunk, fixes #9049

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85550 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged Boost.MPI patches to release

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85553 b8fc166d-592f-0410-95f2-cb63ce0dd405