modification to grid quadrature so that the quadrature points are the mid-points of each interval, as opposed to the ends of each interval.
Make Elem::nullify_neighbors() public
Disambiguate calculate_norm(vec, H1)

Using system_norm.h instead of a forward declaration in system.h
ensures that the implicit conversion between enum FEMNormType and
class SystemNorm will be considered.

Removing the optional arguments from the single-variable
calculate_norm() ensures that the FEMNormType *won't* be implicitly
converted to an integer and interpreted as a variable index.
Fix dependencies

SystemNorm doesn't depend on system.h, but some of the error estimator
headers were depending on things indirectly via system_norm.h
No reason to only print a helpful error message in DEBUG mode.
Adding LOC data for April 2014.
Interpolate number of files data to avoid plotting bad data points.
Updating LOC plot.
Remove unused typedef
Fixing initialization order warning in FEM System ex2.
initial patch from Roman & Norbert
commit after ./bootstrap
Misc fixes to Roman an Norbert's code:

* Use fe_macro.h to avoid duplicate symbols when instantiating
  templates, caught on OSX
* fix for VPATH builds
* Fixing problem with mismatched START_LOG/STOP_LOG when there is an
  early return from DofMap::dof_indices() by only starting the log
  after the possible early return.
* Fixing tabs and whitespace in files added by Roman and Norbert.
* renaming files (& methods) per discussion
* renaming FESubdiv->FESubdivision
* renaming enum SUBDIV->SUBDIVISION
* Tri3SD->Tri3Subdivision
* TRI3SD->TRI3SUBDIVISION
* run new example under make check
* Renaming MeshTools::Subdiv -> MeshTools::Subdivision
Changes to make Node valence a compile-time option:

* Store valence as an unsigned char
* implement --enable-node-valence configure option.
* Defaults to enabled due to the small overhead introduced by the feature.
* conditionally store valence depending on --enable-node-valence
* require --enable-node-valence for this example
* fix compiler warning, ostream trickery has problems with NULL.
Merge pull request #216 from libMesh/subdivision_surfaces_rebased
remove overzealous assert
Updating github traffic.
Merge pull request #222 from friedmud/remove_assert

remove overzealous assert
petsc-3.5: SNES_VI_(N)INF --> PETSC_(N)INFINITY
petsc-3.5: dropping explicit MatStructure argument and Mat indirection from KSP/PCSetOperators() and friends.