Resolve "Allow results to be returned as an ArviZ InferenceData object"

Add the ability for the Result object to return the posterior in an ArviZ InferenceData object.

There shouldn't be anything else to add, but I will need another MR (!773 (merged)) to add arviz to the test docker images.

Resolves #267 (closed).

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• 56e99b19 - update test of to_arviz method

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mentioned in merge request !773 (merged)

Thanks @matthew-pitkin! Does arviz have any way of storing nested samples or MCMC chains? I guess it would be worth getting this in and adding these as new features in the future if possible.

unmarked as a Work In Progress

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added 19 commits

• 56e99b19...93f712c4 - 14 commits from branch lscsoft:master
• 7c83d8e8 - result.py: add conversion to arviz InferenceData
• 828ae537 - result.py: update to arviz output
• e9be60d8 - result.py: minor fix
• 6e5aeaee - Add test of output to ArviZ object from Result class
• 5538614b - update test of to_arviz method

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mentioned in merge request !766 (merged)

This is failing due to a minor flake8 issue.

added 1 commit

• 3d934a14 - result_test.py: fix flake8 error

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approved this merge request

changed milestone to %0.6.8

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merged

mentioned in commit 42f6504a