Fix a bug in AxisAlignedBox::distance: all 3 axes need to be considered; also provide a squaredDistance function for better performance
Fix a bug in AxisAlignedBox::distance: all 3 axes need to be considered; also provide a squaredDistance function for better performance

--HG--
branch : aabbfix

jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre,jhu-lcsr-forks/ogre