Webadmin exp form 'Other groups' -> 'Groups'
Don't allow removal of 'system' from groups list. See #10016

Although we tried to prevent admins removing themselves from 'system' group, they could still do
this in the groups chooser.
?show=well-123 landing page. No repeat well select. See #10059
Fix tooltip - hidden on X in Tags/Files. See #9940"
Using OME.well_selection_changed() to work with jshint PR545
Webadmin: system group 'X' hidden in chosen. See PR 565
Fix removal of Tags/Files from Wells. See #10004
Hide System group 'X' when added by Admin checkbox
Merge pull request #604 from will-moore/web-bugs-18thDec

Web bugs 18th dec (develop)