AO Object: 1 MPI processes
  type: basic
Number of elements in ordering 5
PETSc->App  App->PETSc
  0    0      0    0
  1    1      1    1
  2    2      2    2
  3    3      3    3
  4    4      4    4
[0] 2,1,9,7 PetscToApplication 2 1 -1 -1
[0] 0,3,4 ApplicationToPetsc 0 3 4

Test AOCreateMemoryScalable: 
AO Object: 1 MPI processes
  type: memoryscalable
Number of elements in ordering 5
PETSc->App  App->PETSc
Process [0]
  0    0      0    0
  1    1      1    1
  2    2      2    2
  3    3      3    3
  4    4      4    4

Test AOCreateMemoryScalable with ispetsc=NULL:
AO Object: 1 MPI processes
  type: memoryscalable
Number of elements in ordering 5
PETSc->App  App->PETSc
Process [0]
  0    0      0    0
  1    1      1    1
  2    2      2    2
  3    3      3    3
  4    4      4    4

Test general API: 
[0] 2,1,9,7 PetscToApplication 2 1 -1 -1
[0] 0,3,4 ApplicationToPetsc 0 3 4
