Build and install meshdiff
Re-bootstrapped with meshdiff in Makefile.am
Use vtkSmartPointer correctly
Add element id from libMesh to the vtk files
Adding Corsini Periodica Polytechnica paper.
Merge pull request #146 from robert-we/vtksmartpointer-fix

Use vtkSmartPointer correctly
API usage fix in meshdiff
Merge pull request #145 from robert-we/vtk-cellid

Add element id from libMesh to the vtk files
Revert "Use vtkSmartPointer correctly"

This reverts commit 17834bad246f72651d3fa75f11fc04f4b3285dcc.
Patch from Manav Bhatia:

* Moved finalize functions for slepc, petsc and MPI to the end of ~LibMeshInit
* Ensure that PerfLog is printed and cleared before the finalize functions.
Adding a configurable "unique_id" to DofObject.  Currently works for SerialMesh

Addressing Pull request comments

Adding Parallel Mesh Algorithm

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