[WIP] Revamp dataSet in Tales to account for raw data

[Xarthisius]

Arguably this work should be submitted as multiple PRs, but I was lazy...

Roughly what it does:

1. Introduces "Tale's data directory" see: https://hackmd.io/KQ9TzJ7zSrqzaeYGX9ClSQ
2. Abstracts Zip upload handling from BDBag importer
3. Adds generic zip provider that allows to dump raw data in to Tale's data directory
4. Handles existing catalog resources via Tale's datadir

What should work:

• Creating new Tales with initial dataSet (not possible through UI)
• Sharing Tales
• Modifying dataSet via exisiting UI
• Copying Tales
• versioning (with Version/restore tale data dirs wt_versioning#32)
• exporting (bags)

What doesn't work:

• importing
• tests

more info tba

[codecov]

Codecov Report

Merging #502 (4f65df9) into master (2e2ae35) will decrease coverage by 0.60%.
The diff coverage is 84.94%.

❗ Current head 4f65df9 differs from pull request most recent head a57b38b. Consider uploading reports for the commit a57b38b to get more accurate results

@@            Coverage Diff             @@
##           master     #502      +/-   ##
==========================================
- Coverage   93.41%   92.81%   -0.61%     
==========================================
  Files          54       54              
  Lines        4179     4243      +64     
==========================================
+ Hits         3904     3938      +34     
- Misses        275      305      +30     

Impacted Files	Coverage Δ
server/schema/tale.py	100.00% <ø> (ø)
server/lib/bdbag/bdbag_provider.py	79.33% <62.96%> (-12.50%)	⬇️
server/lib/manifest.py	91.50% <66.66%> (-0.57%)	⬇️
server/rest/dataset.py	87.31% <80.00%> (-0.79%)	⬇️
server/lib/globus/globus_provider.py	65.48% <91.66%> (+1.67%)	⬆️
server/models/tale.py	97.01% <94.44%> (-1.09%)	⬇️
server/constants.py	88.63% <100.00%> (+0.26%)	⬆️
server/lib/__init__.py	96.07% <100.00%> (+0.07%)	⬆️
server/lib/dataone/provider.py	97.05% <100.00%> (+0.23%)	⬆️
server/lib/dataverse/provider.py	97.34% <100.00%> (+0.06%)	⬆️
... and 9 more

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