nsplex advection2d: make solution time-dependent

nsplex: Calculate exact solution at final time

nsplex: Implement ICs_PetscMultiplicity function

nsplex: Add non_zero_time flag to problemData

nsplex: Create SetupContext struct, add to ICs* qfuncs

- SetupContext added to common.h
- Update ICs qfuncs to reference pointer-based struct

nsplex: Move User_ and Units_ to common.h

Update .gitignore with misc editor dirs

NS: move initial condition into form usable for essential BC

This permits DMAddBoundary to apply boundary conditions. It is
expensive, but still useful for visualization.

NS: create visualization DM once for reuse in monitor

This interpolation is relatively expensive to create, so move it out.
Output of dmrefined*.vtu is currently controlled by -viz_refine, which
is

NS: create visualization DM once for reuse in monitor

This interpolation is relatively expensive to create, so move it out.
Output of dmrefined*.vtu is currently controlled by -viz_refine, which
is a boolean, but could become an integer (useful for higher order).

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NS advection.h: bug fix for dim=3

fixed some bugs in explicit densitycurrent.h

Gravitational Energy is sent back to the Body Force for some limitations that should be resolved.

dt removed from SUPG

few bugs fixed in densitycurrent_primitive.h

*.dylib and *.json added to .gitignore

CITING.md (#457)

* Add CITING.md in top level

* Update CITING.md with @ misc

* Add code block env

* Add doc/bib with BiBTeX citation and update CITING.md

* Update title. Add year

Merge pull request #447 from CEED/jeremy/lmode-on-create

ElemRestriction Lmode in Create over Apply

MAGMA - update MAGMA backend to use new imode parameter

Examples - remove imode variables in PETSc examples

ElemRestriction - make lmode a separate enum

ElemRestriction - remove lmode from backend apply signature

Examples - initalize variable to silence compiler warning

ElemRestriction - move lmode to constructor over apply

Enable MAGMA non-tensor basis (#424)

* update magma backend files from magma-dev to new branch

* add skeleton for elem restrictions

* start putting code and files for nontensor case

* more

Enable MAGMA non-tensor basis (#424)

* update magma backend files from magma-dev to new branch

* add skeleton for elem restrictions

* start putting code and files for nontensor case

* more framework for adding magma elem restrictions

* typo/old code error fixes for interface and header file, etc

* add the writedofs kernels

* fix nonconstants - template them for now

* fix bugs in non-tensor basis apply (interp and weight)

* update magma backend files from magma-dev to new branch

* add skeleton for elem restrictions

* start putting code and files for nontensor case

* more framework for adding magma elem restrictions

* typo/old code error fixes for interface and header file, etc

* add the writedofs kernels

* fix nonconstants - template them for now

* fix bugs in non-tensor basis apply (interp and weight)

* fix incorrect merge conflict resolution of header file

* fix bugs in lmode=notranspose elem restrictions
and in copying of indices to device

* test simpler kernels for lmode=transpose elem restrict

* swap element and component ordering in tensor basis actions

* update comments in restriction kernels to match swapped ordering

* fix if statement to work with CEED_VECTOR_NONE instead of NULL

* minor code cleanup

* skip t204-7 for magma after changing E-vector layout

* remove commented old calls for now

* use magma set/get vectors instead of cuda memcopies

* remove dead code

* make style changes

Co-authored-by: Stan Tomov <tomov@eecs.utk.edu>
Co-authored-by: abdelfattah83 <36712794+abdelfattah83@users.noreply.github.com>

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Merge pull request #450 from CEED/tests/remove-implementation-dependent-logic-on-t208

[Tests] Removed testing padded entries