Thread: Added user_scheduler (loop_executor).

git-svn-id: http://svn.boost.org/svn/boost/trunk@86570 b8fc166d-592f-0410-95f2-cb63ce0dd405
Align columns across groups in --help output.

Patch from Leo Goodstadt.
Fixes #6114.


git-svn-id: http://svn.boost.org/svn/boost/trunk@86571 b8fc166d-592f-0410-95f2-cb63ce0dd405
add missing #include for boost::noncopyable to fix compilation.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86572 b8fc166d-592f-0410-95f2-cb63ce0dd405
Revert 86527: <dependency> on /boost//headers is wrong, use <implicit-dependency> again.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86573 b8fc166d-592f-0410-95f2-cb63ce0dd405