Oribi is an analytics tool we wish to test, See #355
Code from here was added only to google tag manager in index.html.
@OriHoch @TheGrandVizier Requires detailed review to test effect on website, if any.
2. Merge 'about' pages of images and videos
see #371
Changed links on footer.html: instead of 'Images' and 'Videos' there should be one link: 'Visual Documentation'.
The text was originally identical, so the only change in allresults.html is the value of ng-switch ('visula_documentation' instead of 'images' and 'videos'), and deletion of the unused (identical) text.
1. Add ORIBI script to index html
2. Merge 'about' pages of images and videos