New Parmest UI

[smartin71]

Fixes # .

Summary/Motivation:

This is the same as the previous pull request for the new parmest UI, but with the deprecated folder removed and the deprecated UI/tests integrated into the original parmest code. I have copied the goals of the original pull request below.

Changes proposed in this PR:

• New experiment list UI
• Examples/tests updated to use new UI
• Deprecated UI/tests integrated with the tests for the new UI
• This update is related to issue: https://github.com/Pyomo/pyomo/issues/1477
• Put group_data back into parmest, but marked it as deprecated. Removed it from the documentation.

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