Try to fix errors in the CI standalone scenario

Author: aaronbrethorst

oba/config/onebusaway-transit-data-federation-webapp-data-sources.xml.hbs

@@ -64,15 +64,15 @@
         <property name="refreshInterval" value="{{ REFRESH_INTERVAL }}" />
       {{/if}}
 
-      {{#if AGENCY_ID_LIST}}
+      {{#if AGENCY_ID_LIST.length}}
         <property name="agencyIds">
           <list>
             {{#each AGENCY_ID_LIST}}
               <value>{{ this }}</value>
             {{/each}}
           </list>
         </property>
-      {{else}}
+      {{else if AGENCY_ID}}
         <property name="agencyId" value="{{ AGENCY_ID }}" />
       {{/if}}