Add monitored thread last update times as stats in "show stats all"

These have the format server.thread.<thread-name>
Moved Oren Hurvitz to core developers list
Mantis 6922: No particles are generated if their size exceeds the maximum allowed size.

This patch ensures that no particle scal value can exceed 4.0
Merge branch 'master' of git://opensimulator.org/git/opensim
Merge branch 'master' of ssh://opensimulator.org/var/git/opensim
Merge branch 'master' of git://opensimulator.org/git/opensim
Merge branch 'master' of /home/chris/Desktop/opensim-working