Thread: merge from trunk upgrade_to_unique_lock::mutex() + doc typos + BOOST_THREAD_USES_ATOMIC doc + synchronized _value call + rename wait_until params.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85603 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged recent changes from trunk.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85604 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged recent changes from trunk.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85605 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged changes from trunk: added intrusive_ref_counter.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85609 b8fc166d-592f-0410-95f2-cb63ce0dd405
Chrono: merge timepoint io improvements.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85610 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged new added components from trunk. Merged other sublibraries which tests are passing for a long time as well.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@85613 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged Container to the release branch


git-svn-id: http://svn.boost.org/svn/boost/branches/release@85614 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged Interprocess to the release branch


git-svn-id: http://svn.boost.org/svn/boost/branches/release@85615 b8fc166d-592f-0410-95f2-cb63ce0dd405