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.
Avoid unused variable warnings when --disable-blocked-storage
Dummy change to README to see if I can re-sync the github web interface.
Merge pull request #112 from friedmud/hermite_cache_removal

remove caching from hermites
Add Vikram to developers page
Adding directories to .gitignore

reduced basis tests, also various build directories I like to leave
around but would prefer not to see from 'git status.'
add tests to beautify rule, but not running it yet
Updated statistics for Jun 2013.
proper quoting of shell variable in tag message
Merge branch 'master' of https://github.com/libMesh/libmesh
default blocked DOF support to off for 0.9.2 release
Fixing typo in error message.
Make adjoints_ex3 solver verbose

This example is too prone to convergence failure in various buildbot
combinations; let's make sure we can easily see why it fails.
Add absolute_residual_tolerance to adjoints_ex3

This should avoid the convergence failures we were seeing when running
with Real==float in parallel.
bump version in master to 0.9.3-pre