add detection for qualifier and source
add context parameter to suggester api
more qualifier support
Merge branch 'master' of github.com:Wikidata-lib/property-suggester into qualifier_references

Conflicts:
	modules/ext.PropertySuggester.EntitySelector.js
	src/PropertySuggester/Suggesters/SimpleSuggester.php
Merge branch 'master' of github.com:Wikidata-lib/property-suggester into qualifier_references

Conflicts:
	src/PropertySuggester/Suggesters/SimpleSuggester.php
	src/PropertySuggester/SuggestionGenerator.php
	tests/phpunit/PropertySuggester/SuggestionGeneratorTest.php
fix javascript
fix issues, use pseudo-selectors
add doc
Update ext.PropertySuggester.EntitySelector.js
Merge branch 'master' of github.com:Wikidata-lib/property-suggester into qualifier_references
add release note
fix issues
Merge pull request #83 from Wikidata-lib/qualifier_references

Qualifier references