Update scaife-viewer-core on main

[jacobwegner]

(This version of scaife-viewer-core is currently deployed to scaife.perseus.org; am just bringing the commits back over to main)

Features

• Add scaifeCLI
• Add content_manifest_path to hookset
• Upgrade to Elasticsearch 7.x (https://github.com/scaife-viewer/scaife-viewer/pull/614)
• Add API views to mimic Nautilus / retire scaife-cts-api (https://github.com/scaife-viewer/scaife-viewer/pull/566)
  • CTSApiGetPassageView
  • CTSApiGetValidReffView
  • CorporaReposView
  • CorpusMetadata

Fixes

• Improve exception handling in toc (checking for balanced refs decl elements)\

Other Improvements

• Ensure consistent sorting of texts (used to diff corpora contents)