Add "packed_range" Parallel:: functions.  This can greatly simplify MPI communications of variable data size objects like Elem and Node
Add "packed_range" Parallel:: functions.  This can greatly simplify
MPI communications of variable data size objects like Elem and Node



git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@5799 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh