Merge pull request #11 from gdcc/2-fix-affiliation-config

Issue 2 Fix: Update affiliation.json

Author: qqmyers

examples/config/affiliation.json

@@ -7,8 +7,8 @@
     "retrieval-uri": "",
     "allow-free-text": true,
     "languages": "",
-    "vocabs": "",
+    "vocabs": {},
     "managed-fields": {},
     "retrieval-filtering": {}
   }
-]
+]