base: global index run during demo site population

* Adds missing global indexing process that must be run
  during demo site population.  This is necessary after
  the merge of the virtual index facility from master.

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
deposit: fix plupload config usage

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>