CSPACE-6302: Fix vocabulary term initialization. Now uses shortid to determine if a term exists, and does not attempt to update existing terms.

Conflicts:
	cspi-webui/src/main/java/org/collectionspace/chain/csp/webui/authorities/AuthoritiesVocabulariesInitialize.java
Merge branch 'ucb-deploy_4.0' into botgarden_4.0
UCBG-371: Remove duplicate 'Unknown' option from vocab-county.