add filtering when searching for annotation counts by ontology term to
within a specific version of the ontology
add test for annotation counts by ontology term URI without specifying
an ontology
add test for getting the annotation count while specifying the ontology,
loading the annotation before the ontology to ensure that it can be
loaded/restored from backup, even if the ontology does not exist at that
point
add annotationCounts parameter to ontology browser page
minor grammar fix