[crss-uaa] add min password length prop

crss-uaa/crss-uaa.yml

@@ -30,4 +30,5 @@ crss:
         client-id: crss
         client-secret: crsssecret
         scope: openid
-    audit.enabled: true
+    audit.enabled: true
+    min.password.length: 7 #for ui purposes