Merge branch 'rdf-query-2.903'
Merge branch 'rdf-query-2.904' into release-rdf-query
Merge branch 'rdf-query-2.905' into release-rdf-query
Merge branch 'rdf-query-2.906' into release-rdf-query
Merge branch 'rdf-query-2.907' into release-rdf-query
Merge branch 'rdf-query-2.908' into release-rdf-query
Merge branch 'rdf-query-2.909' into release-rdf-query
Merge branch 'rdf-query-2.910' into release-rdf-query
Merge pull request #105 from kjetilk/master

Use base64 encoding of tags to get shorter strings (from Kjetil Kjernsmo via github pull request #105).
Updated RDF::Endpoint to quote raw-value ETag values (github issue #106).
Updated docs and VERSION for 2.910_01 beta release.
Updated docs and VERSION for 2.911 release.
Merge branch 'rdf-query-2.911' into release-rdf-query
Merge tag 'rdf-query-2.911'

RDF::Query 2.911.