GetPot can accept more constness of arguments
LibMeshInit can accept more argument constness
Adding citations and webpage generation script.
fallback to rpc/xdr.h when looking for xdr.
trump --enable-petsc with --disable-mpi
Merge branch 'master' of https://github.com/libMesh/libmesh
use <rpc/xdr.h> when it is there
more fine-grained fallback for --disable-mpi