BibDocFile: RHEL6 magic bindings support

* Patches the RHEL6/CentOS6 magic bindings module to introduce
  a missing file flag.  (closes #1466)

Reported-by: Theodoropoulos Theodoros <theod@lib.auth.gr>
Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
OAIRepository: optional support for --notimechange

* Allows oairepositoryupdater to optionally schedule bibuploads with the
  `-n` argument.

Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
Merge branch 'maint-1.1'

* maint-1.1:
  OAIRepository: optional support for --notimechange
  BibDocFile: RHEL6 magic bindings support