v5.24.0

• New script ncbo_ontology_sumissions_eradicate which can be used to remove multiple submissions for an ontology (PR#52 contributed by @syphax-bouazzouni)
• New script ncbo_ontology_import for importing ontologies from other OntoPortals (PR#57 contributed by @syphax-bouazzouni)
• New script ncbo_ontology_pull for pulling a new version of ontology on demand (PR#59 contributed by @syphax-bouazzouni)
• Add ability to generate labels independently of RDF processing (issue #64)
• Fix for ncbo/bioportal-project#254

Full Changelog: v5.23.0...v5.24.0