BibExport: update Google Scholar exporter
- Use standard sitemap output instead of NLM
- Updated sitemap export method to explicitly exclude restricted records.
- Generate alternate URLs for homepage. Consequently fixes the dropping of "ln" parameter.
Signed-off-by: Jerome Caffaro <jerome.caffaro@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>