Added on_success docs from Richard

git-svn-id: http://svn.boost.org/svn/boost/trunk@84746 b8fc166d-592f-0410-95f2-cb63ce0dd405
[geometry][index] small fix in r* choose_next_node

git-svn-id: http://svn.boost.org/svn/boost/trunk@84748 b8fc166d-592f-0410-95f2-cb63ce0dd405
[geometry][index] sort replaced by partial_sort in R* choose_next_node.

git-svn-id: http://svn.boost.org/svn/boost/trunk@84749 b8fc166d-592f-0410-95f2-cb63ce0dd405
Chrono: apply patch for #8690

git-svn-id: http://svn.boost.org/svn/boost/trunk@84751 b8fc166d-592f-0410-95f2-cb63ce0dd405
[geometry][index]: packing algorithm enabled.

git-svn-id: http://svn.boost.org/svn/boost/trunk@84752 b8fc166d-592f-0410-95f2-cb63ce0dd405
[geometry][index] docs: Improved introduction, added image of tree created using packing algorithm and plots t(Max) t(Min).

git-svn-id: http://svn.boost.org/svn/boost/trunk@84753 b8fc166d-592f-0410-95f2-cb63ce0dd405