tap.sh: Update to process multiple navierstokes TESTARGS (with no output)

NS: Check tests error by comparing with reference solutions from binary files

NS: scale energy differently in TESTARCGS

NS: Remove extra PetscViewerDestroy() call in TSMonitor_NS() function

This was causing a crash in parallel (not in serial)

NS: remove line between test runs and add output files

tap.sh: Process fluids NS example's multiple test outputs

NS: Add VecViewFromOptions at the end of execution

This currently works in serial, but not in parallel

NS: Add multiple test runs

These minimal tests test different configurations: the explicit formulation with default (RKF45), the implicit formulation with alpha method, and the implicit formulation

NS: Add multiple test runs

These minimal tests test different configurations: the explicit formulation with default (RKF45), the implicit formulation with alpha method, and the implicit formulation with alpha method + supg stabilization

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NS: Default BCs are free-slip on all faces

If no boundary conditions are set at command line, there will be free-slip boundary conditions on velocity components on all faces

The use still has the p

NS: Default BCs are free-slip on all faces

If no boundary conditions are set at command line, there will be free-slip boundary conditions on velocity components on all faces

The use still has the possibility of imposing wall boundary conditions (which sets all three components of velocity to homogeneous Dirichelet condition)

If the user specify both conditions, slip and wall, on the same face sets, the program will error

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NS: Style and comments

NS: Remove periodicity option

This option is temporarily removed since it is currently broken

NS: Add warning if CtauS is used without stabilization

NS: Patch on BCs for different problem types and update docs

NS: Add warning if stabilization is used with explicit time integrators

NS: Remove unused variables and some code cleanups and clarifications

Merge pull request #534 from CEED/jeremy/solids-cloptions

Solids - additional command line options

Solids - move viewFinalSoln output outside of SNES stage

Solids - additional command line options

XSMM - fix q=1 index computation (#531)

* XSMM - use hash table for kernel index lookup, add khash to libCEED

* Hash - add CeedHashIJKLM to simplify xsmm tensor hash table code

* simplify use

XSMM - fix q=1 index computation (#531)

* XSMM - use hash table for kernel index lookup, add khash to libCEED

* Hash - add CeedHashIJKLM to simplify xsmm tensor hash table code

* simplify use of hash table, use kernels as values

* XSMM: more idiomatic use of khash

* make style

Co-authored-by: Jed Brown <jed@jedbrown.org>

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CEED_STRIDES_BACKEND optimization for cuda-ref operator apply (#528)

* add check for backend stride status for input vectors

* add backend strides check for output vectors

* replace output cop

CEED_STRIDES_BACKEND optimization for cuda-ref operator apply (#528)

* add check for backend stride status for input vectors

* add backend strides check for output vectors

* replace output copy with elem restriction for none emode

* move input skip_restrict check to setup and never allocate E-vec if not needed

* add boolean variable for E/Q vector layout for
further optimization of output and add wrapper function in magma backend
to create a cuda-ref operator and change this state variable

* Add missing CeedChks

* style changes to better match cuda backends

* missed style change for evec check

* add CeedChk from PR #525 (merge conflict)

* make style changes

* adjust size of nqpts for non-tensor basis

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Merge pull request #533 from CEED/jed/activate-hoverxref

Jed/activate hoverxref

Merge pull request #532 from CEED/jeremy/gpu-tap-edit

Small GPU Test Changes

Multigrid - fix memtype in CeedVecSetArray call

tap - acknowledge intentional MAGMA backend limit in basis kernels

Merge pull request #529 from CEED/jeremy/empty-restr

Empty Restriction Support