Merge branch 'stitch_mesh' of https://github.com/jwpeterson/libmesh

This branch optimizes SerialMesh::stitch_meshes.
Merge branch 'stitch_mesh' of https://github.com/jwpeterson/libmesh

John updated the branch to pass the tolerance down.
Merge branch 'master' of github.com:libMesh/libmesh

Merging master.
Merge branch 'master' of github.com:libMesh/libmesh
Merge branch 'master' of github.com:libMesh/libmesh
Added miscellaneous_ex9: Example that demonstrates a discontinuity on an internal mesh interface, which requires the sparsity pattern to be augmented.
Update NEWS for FEMContext API.
Adding Kirk AIAA, Corsini JFE, Widmer JMBBM, and Tahir Acta Materialia papers.
Fixes for *_id_type > int

These patches modify the packed_range code to handle cases where we
don't want to pack everything into 32-bit integers.  This should fix
some runtime bugs in the 8-byte dof_id_type case.
Default to 32-bit XdrIO for now
unsigned int -> dof_id_type fix
Confirmed Corsini paper does use libmesh.

Update publications website and upload to sf.
Merge pull request #111 from libMesh/bigids_fixes

Fixes for *_id_type > int
Fix for syntax highlighting

This makes the code one line less terse, but my version of vim
couldn't figure out that those parentheses weren't really mismatched.
Fix for printing with 1-byte id types
Formatting fixes for --with-processor-id-bytes=1
Bugfix for Xdr with non-32-bit dof_id_type
remove caching from hermites
Avoid unused variable warnings when --disable-blocked-storage
Dummy change to README to see if I can re-sync the github web interface.