This update eliminates access to mesh data structures in the SimV2 API. Mesh
data are now allocated in the runtime and manipulated in the client via 
functions that use a handle to the runtime's data. I updated some simv2 
simulation examples to use the new API.



git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@10058 18c085ea-50e0-402c-830e-de6fd14e8384