Sim Config updates

[rcoreilly]

• switch over to netparams instead of params -- simpler structure, only targets Network
• misc cleanup etc
• rest of sims updated to use Config.
• a bit of cleanup of new hip proj and key fix on DoSynCa -- wasn't doing it! not sure how it even worked at all.

[codecov[bot]]

Codecov Report

Patch coverage: 20.86% and project coverage change: +0.07 :tada:

Comparison is base (a9e81cf) 30.18% compared to head (b0c4958) 30.26%.

:exclamation: Current head b0c4958 differs from pull request most recent head 528b398. Consider uploading reports for the commit 528b398 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #270 +/- ## ========================================== + Coverage 30.18% 30.26% +0.07% ========================================== Files 80 84 +4 Lines 15250 15204 -46 ========================================== - Hits 4603 4601 -2 + Misses 10385 10343 -42 + Partials 262 260 -2 ``` | [Impacted Files](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer) | Coverage Δ | | |---|---|---| | [axon/learn.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9sZWFybi5nbw==) | `70.73% <ø> (ø)` | | | [axon/networkbase.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9uZXR3b3JrYmFzZS5nbw==) | `45.71% <0.00%> (-0.17%)` | :arrow_down: | | [examples/neuron/config.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvbmV1cm9uL2NvbmZpZy5nbw==) | `0.00% <0.00%> (ø)` | | | [examples/neuron/neuron.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvbmV1cm9uL25ldXJvbi5nbw==) | `0.00% <0.00%> (ø)` | | | [examples/pcore/config.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvcGNvcmUvY29uZmlnLmdv) | `0.00% <0.00%> (ø)` | | | [examples/pcore/pcore.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvcGNvcmUvcGNvcmUuZ28=) | `0.00% <ø> (ø)` | | | [examples/pvlv/config.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvcHZsdi9jb25maWcuZ28=) | `0.00% <ø> (ø)` | | | [examples/pvlv/pvlv.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvcHZsdi9wdmx2Lmdv) | `0.00% <ø> (ø)` | | | [examples/ra25/ra25.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvcmEyNS9yYTI1Lmdv) | `0.00% <ø> (ø)` | | | [examples/boa/config.go](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-ZXhhbXBsZXMvYm9hL2NvbmZpZy5nbw==) | `20.00% <20.00%> (ø)` | | | ... and [3 more](https://app.codecov.io/gh/emer/axon/pull/270?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer) | |

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[rcoreilly]

i'm just going to go ahead and merge this -- low stakes widespread config changes in many projects -- avoid future merge conflict issues.