Issue #663: Save the version of the HPO being used in the index, and expose it in the ontology service.
During indexing version is checked and added to all terms. Exposed new method getVersion in OntologyService.
Added tests for HumanPhenotypeOntology.
Merge branch 'master' of https://github.com/phenotips/phenotips
No issue number. Working on moving ui files for ontology-access into the ontology-access folder.
Moved src/ folder in ontology-access into api/src folder
Moved IndexOntology.xml from resources/ into ontology-access/ui
Moving ontology-access ui.
New and modified pom.xml files.
Issue #663: Save the version of the HPO being used in the index, and expose it in the ontology service
Added proper tests, displayed the current version in the UI, make checkstyle pass
Merge branch 'issue-663'

Conflicts:
	components/ontology-access/api/src/main/java/org/phenotips/ontology/internal/solr/HumanPhenotypeOntology.java
	resources/solr-configuration/src/main/resources/hpo/conf/schema.xml