CMS: update of `cms-derived-pattuples-ana.xml`

* (closes #527) (PR #528)
templates: link to CMS Tools in About CMS page

* (closes #592) (PR #593)
templates: lowercase "datasets" in About CMS page

* (PR #593)
templates: no mention of JSON in About CMS page

* (PR #593)
CMS: creation of `cms-hamburg-files.xml`

* (addresses #203) (PR #493)
CMS: addition of files for Hamburg data records

* Adds data files for Hamburg records and amends installation
  instructions accordingly.  (addresses #203) (see PR #493)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
CMS: update of `cms-author-list.xml`

* (PR #536)