fixes #1096
fixed Groovy tests
Fixes #1116
Merge pull request #1128 from aodn/2.47.4-rc

2.47.4 rc
Merge pull request #1129 from aodn/2.47.5-rc-ISSUE-1116

2.47.5 rc issue 1116
Doubled AJAX timeout as a quick and nasty fix for slow JSON rendering for expanded menu nodes.