SWC-672: in progress
SWC-672: updates for version ui
fixed styling and code examples to new command set
SWC-672: scroll to, hide until loaded, and add link to current version
fix tests
text changes
SWC-672: merge with upstream develop
SWC-672: stop looking for the requested version if we're on the last page
Merge pull request #422 from jay-hodgson/SWC-672c

SWC-672, SWC-571, SWC-684:  rework versioned entity page