search: fix for return key handling in search form

* Fixes an issue where pressing the return key in the simple search
  dropdown caused the form to be submitted with no data. (closes #2253)
  (PR #2282)

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Joe MacMahon <joe.macmahon@cern.ch>
base: fix footer links

* Changes footer links to new user profile settings and documentation.
  (closes #2248)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
documentation: fix WebSupport builder

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
docs: configuration theme cleanup

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>