WebSearch: disable meta tags for deleted records

* When displaying a deleted record, do not generate an output
  using CFG_WEBSEARCH_DETAILED_META_FORMAT.  (closes #1680)

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
WebComment: attachments in multi-node setup

* Support file attachments in environments using several workers,
  by (a) temporarily storing files in CFG_TMPSHARED, and (b) moving
  files to final storage area using shellutils.move() instead of
  os.renames().

Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
Merge branch 'maint-1.1'

* maint-1.1:
  WebComment: attachments in multi-node setup
  WebSearch: disable meta tags for deleted records

Conflicts:
	modules/websearch/lib/search_engine.py

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>