WebSearch: CERN-specific collection sorting

* Sorts 'CERN Yellow Reports' collection by 084__a field in
  WebColl.

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
WebAccess: CERN-specific authorization message

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
WebSearch: fix search URL in timeout message

* When available, use the nice end-user search URL version
  in the timeout message instead of the machine readable
  one.

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Acked-by: Tibor Simko <tibor.simko@cern.ch>
WebComment: deleted record message

* When trying to display comments from a deleted record,
  inform the user that the record has been deleted instead
  of replying that the record does not exist (in '/comments'
  tab) or displaying no output ('yourcomments' page).

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
WebSearch: update collection page markup

* More flexible style customization using CSS classes.

* Display grandchildren as HTML list.

* Try not to wrap collection + "nb recs", for better readability.

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
BibIndex: minor engine refactoring

* Refactors code in update_virtual_indexes and
  remove_dependent_indexes functions.

* Fixes a problem occurring when user
  removes depenednt index both in admin
  interface and through CLI.

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
BibIndex: new 'all-virtual' CLI option

* Introduces new '--all-virtual' option
  which is an equivalent of '-w virtual_ind1,virtual_ind2,etc.

* Running bibindex without parameters won't
  run update for virtual indexes.

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
BibIndex: virtual index queue dupe optimisation

* Before indexing virtual index, let us remove
  duplicate entries in queue table. It will
  save indexing time, because the same actions
  won't have to be performed twice.

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
BibIndex: new DOI index

* Introduces new DOI index and tokeniser.
  (closes #1655)

* Includes tests for new index.

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
WebStat: list link fix for system health UI page

* Fixes get_list_link function. Current
  system health is displayed properly.
  (closes #1713)

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>