Consistent use of ellipsis

MediaWiki usually uses three dots.
Add Query::setUnboundLimit

Query::setLimit uses GLOBAL state to determine additional requirements but
sometimes an unbound limit is expected.
Merge pull request #386 from SemanticMediaWiki/query-limit

Add Query::setUnboundLimit
SPARQLStore / Add test to verify complete removal of a semantic data container

Tests that semantic data are completly removed including all used/unused
subobject references
Update QueryTest.php
Merge pull request #389 from SemanticMediaWiki/sparql-sobj-query

SPARQLStore / Add test to verify complete removal of a semantic data container
Update RELEASE-NOTES.md

[skip ci]
Update RecordDataTypeRegressionTest.php
Update QueryResultLookupWithoutBaseStoreIntegrationTest.php

[skip ci]
Fix for subobjects for RDF stores
Merge pull request #378 from nischayn22/sparql_subobject_fix

Fix for subobjects for RDF stores
SPARQLStore / Fix Namespace query support
Merge pull request #387 from SemanticMediaWiki/sparql-ns-query

SPARQLStore / Fix Namespace query support
Update RELEASE-NOTES.md

[skip ci]
Merge pull request #388 from amire80/ellipsis

Consistent use of ellipsis
SPARQLStore / Enable category query test
Merge pull request #392 from SemanticMediaWiki/sparql-cat-test

SPARQLStore / Enable category query test
Improve XmlResultParser test
Merge pull request #393 from SemanticMediaWiki/sparql-parser-test

Improve XmlResultParser test
Add virtuoso service