ENH: pull in JS updates re tab display from catalog

[jsheunis]

This PR pulls in updates from catalog, including:

• changing the Files tab to Content tab
• opens the first tab with useful content (e.g. opens Publications tab if Subdatasets and Content tabs are empty)
• Allows navigating directly to a specific tab of a dataset view via URL parameter: subdatasets | content | publications etc
• Everything from BUG/ENH/UX: lots of JS tweaks datalad/datalad-catalog#299:
  • UX: change dollar sign in funding tab datalad/datalad-catalog#298
  • BUG: correct stripping of GIN urls datalad/datalad-catalog#297
  • Change license and doi states to "unknown" instead of "unavailable"
  • Rephrase "search" to "filter"
  • Strips white space and newline characters from copied clone command
  • Hide dataset properties if their value == 0, specifically Subdatasets, but also works for other properties
• Closes Remove gitsha "version" from cards in subdataset list #18

[jsheunis]

Ok looks like it skips publications tab and goes to Funding. Will investigate this first.

[jsheunis]

Ok looks like it skips publications tab and goes to Funding. Will investigate this first.

This was because the publications tab took longer to load, so by the time the code ran for setting the tabindex, the publications tab didn't exist yet on the DOM. This was accounted for in 231bf92. This fix needs to be fed back in to datalad-catalog.