Use PetscMalloc1/2 and PetscCalloc1 where appropriate in DMMoab
implementation sources.

Remove usage of OPAQUE tag and instead check for Real type explicitly until we support Complex tag data type in MOAB.

Fixes to enable Complex type usage in Vec

Coordinates do not have to be PetscScalar -> Failure for complex builds.

removed Tao use of antediluvian PETSC_C_BEGIN/END with PETSC_EXTERN for Tao implementation class constructors

with with -> with the the -> the

Fix memory fault (out of bounds access). Thanks to valgrind.

Fixing up examples to write out VTK if MOAB is not configured with HDF5.

Fix some unitialized variable warnings

Fix a memory crash with options related string handling

Moving the DMMoab based examples to KSP and TS depending on the solver usage. Makefiles have been modified appropriately and all example outputs have also been updated.

Adding parallel output tests for the tutorial programs.

Remove the redundant MatFillMatrixEntries in the DMMoab implementation.

Fixes for minor warnings and test diffs errors.

Removing the ADR example and updating test output

General cleanup of examples.

Minor fixes for clean compilation of DMMoab implementation

Update the output for tests/ex2

Update documentation of some public API routines

Fix few causes for memory leaks -- caught via -malloc_test option

Fix missing return

Updating test and output for ex2.

Fixing a nasty memory corruption bug in non-zero allocation and set zero entries. And other miscellaneous cleanups.

Add DMCreateMatrix call to the test example.

Adding the BlockSetFills capability for DMMoab.