geometry.index docs, example: Added path query description in 'Experimental features' section. Added path query to benchmark_experimental and glut_vis.

git-svn-id: http://svn.boost.org/svn/boost/trunk@84210 b8fc166d-592f-0410-95f2-cb63ce0dd405
Minor changes.

git-svn-id: http://svn.boost.org/svn/boost/trunk@84211 b8fc166d-592f-0410-95f2-cb63ce0dd405
geometry.index: Deprecated BOOST_NO_RVALUE_REFERENCES replaced by BOOST_NO_CXX11_RVALUE_REFERENCES in distance_query_incremental.

git-svn-id: http://svn.boost.org/svn/boost/trunk@84212 b8fc166d-592f-0410-95f2-cb63ce0dd405