Updated to Hugo 62.2, newest Solstice theme, and updated to use newsroom

Merged Martin Lowe requested to merge github/fork/autumnfound/malowe/master/newsroom into master

Updated from Hugo 54 to 62.2, updated from hugo solstice theme 32 to 68, updated news and events to make use of the newsroom API and jquery plugin functionality.

Signed-off-by: Martin Lowe martin.lowe@eclipse-foundation.org

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