Adding optional Google Analytics code
Merge pull request #1365 from aodn/add_google_analytics

Adding optional Google Analytics code
Adding analytics code to Portal main page (ie. not the landing page)
Merge pull request #1367 from aodn/moar_analytics

Adding analytics code to Portal main page (ie. not the landing page)
Merge pull request #1368 from aodn/3.30.1

3.30.1