Add PDS4 support and uranus_occs_earthbased

[rfrenchseti]

• Fixes #353
• Fixes #1132
• Fixes #1345
• Fixes #1354
• Were any Django, import pipeline, or table_schema files modified? Y
• Were any JavaScript or CSS files modified? N
  • If YES:
  • JSHINT run on all affected files: Y/NA
  • Tested on Chrome, Firefox, Safari, Edge, and iOS: Y/NA (Remember to test all browser sizes)
  • Tested for race conditions (with delayed API calls if applicable): Y/NA
• Was the documentation reviewed for necessary changes or additions? Y
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Description of changes:

• Add support for PDS4 throughout.
  • Major restructuring of obs_ file and class hierarchy to have PDS3- and PDS4-specific subclasses. For example, there is now ObsBase with methods applicable to both, and subclasses ObsBasePDS3 and ObsBasePDS4 with methods specific to the particular PDS version.
  • Add PDS version info to bundle table.
  • Try both PDS3 and PDS4 when converting to/from filespecs and volume/bundle names.
  • Add reader for PDS4 index files without an associated label. Infer column data types from contents.
  • Rename --override-pds-data-dir to --override-pds3-data-dir and add --override-pds4-data-dir.
  • Rename opus_secrets.py variable PDS_DATA_DIR to PDS3_DATA_DIR and add PDS4_DATA_DIR.
  • Change the name of the Help menu to "Bundles/Volumes Available..." (this was missed in #1327)
  • Disable "Index" file links on the Detail tab for PDS4 products since they are not yet supported by ViewMaster.
• Add support for uranus_occs_earthbased bundleset. Add new stars to target table.
• EBROCC:
  • Change OPUS IDs to conform to new standard
  • Change EBROCC opus types to conform to new standard
• Add new ring geometry "Ascending Node" longitude fields to pair with existing "J2000" fields. For metadata read from ring_summary tables, the AN is computed from J2000. For occultations, the J2000 is computed from AN. This fixes a long-standing bug in the way occultations are imported and also clears up longstanding confusion about what ring "longitude" means.
• Change Observed Resolution to be NULL for occultations.
• Rename obs_volume_vg28xx files to match volume name standard.
• Standardize names of ground-based telescopes.
• Rename DSN instruments to DSS.
• Fix result count return for api_get_data to return the proper value when in "cart" mode.
• Remove deprecated profile_index from opus_products (main change in PdsFile).
• Clean up instances of from X import *
• Update import_for_tests.sh to abort immediately after an import step fails and fix main_opus_import.py to actually exit with an error code when an import fails.
• Remove duplicate log messages from PdsFile. This eliminates the interminable list of ViewSet errors when importing NH.

Known problems:

• In apps/ui/views.py, re-enable Index file links when ViewMaster supports it
• Support PDS4 index labels when available.
• Support index files with XPaths when available.
• Turn on shelve support when available in Pds4File.
• Code marked with TODOPDS4 will need to be addressed eventually but does not cause problems now.
• When rms-pdsfile pull 25 is merged, change opus_setup_environment.sh.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (b97cb30) to head (c995d44).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1346 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 41 41 Lines 25001 25085 +84 Branches 1217 1221 +4 ========================================= + Hits 25001 25085 +84 ```

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