cds: content and names

* Renames Configuration to Settings.

* Put real links to come boxes.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
cds: fix search

* Fixes the default selected collection to be already active.
  It wasn't the case and two clicks where required to add it.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>