VTK and HDF5 output additions + cpu output fix

[bhill23]

Addresses #186. Region definition works similarly to Geometry definition, negative dx and nx work backwards from domain end. Also adds nodetypes to HDF5 outputs. Fixes outputs for cpu only builds where the z axis was not being looped over.

[codecov-commenter]

Codecov Report

Patch coverage: 71.42% and project coverage change: +0.18 :tada:

Comparison is base (3693cc7) 32.34% compared to head (19591a9) 32.52%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #426 +/- ## =========================================== + Coverage 32.34% 32.52% +0.18% =========================================== Files 154 152 -2 Lines 6425 6453 +28 =========================================== + Hits 2078 2099 +21 - Misses 4347 4354 +7 ``` | Flag | Coverage Δ | | |---|---|---| | d2q9 | `30.45% <71.42%> (+0.17%)` | :arrow_up: | | d2q9_bc | `26.73% <71.42%> (+0.21%)` | :arrow_up: | | d2q9_kuper | `27.58% <71.42%> (+0.21%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#carryforward-flags-in-the-pull-request-comment) to find out more. | [Impacted Files](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO) | Coverage Δ | | |---|---|---| | [src/Handlers/cbHDF5.cpp](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL0hhbmRsZXJzL2NiSERGNS5jcHA=) | `0.00% <0.00%> (ø)` | | | [src/Solver.h.Rt](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL1NvbHZlci5oLlJ0) | `33.33% <ø> (ø)` | | | [src/cross.h](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL2Nyb3NzLmg=) | `80.00% <ø> (ø)` | | | [src/hdf5Lattice.cpp.Rt](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL2hkZjVMYXR0aWNlLmNwcC5SdA==) | `0.00% <0.00%> (ø)` | | | [src/Handlers/cbVTK.cpp](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL0hhbmRsZXJzL2NiVlRLLmNwcA==) | `78.04% <71.87%> (-14.26%)` | :arrow_down: | | [src/Solver.cpp.Rt](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL1NvbHZlci5jcHAuUnQ=) | `58.38% <100.00%> (ø)` | | | [src/vtkLattice.cpp.Rt](https://codecov.io/gh/CFD-GO/TCLB/pull/426?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO#diff-c3JjL3Z0a0xhdHRpY2UuY3BwLlJ0) | `28.40% <100.00%> (+1.66%)` | :arrow_up: | ... and [2 files with indirect coverage changes](https://codecov.io/gh/CFD-GO/TCLB/pull/426/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO) Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CFD-GO)

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[llaniewski]

Fixes #186