CMS: author list in MARCXML format

* Adds CMS author list in MARCXML format.  (closes #402) (PR #428)

* Merge note: the upload procedures are still to be modified in order to
  automatically enrich concerned records with this XML snippet.

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
ATLAS: s/ALICE/ATLAS on the "About ATLAS" page

* Replaces "ALICE" by "ATLAS" in the "About ATLAS" page text.  (PR #421)

* Merge note: substituted also all other occurrences of "alice" string,
  even inside CSS.

Co-authored-by: Tibor Simko <tibor.simko@cern.ch>
Fix physobj IDs, insert FIXMEs