make the jquery can default to false in development and test so test can run offline [ci skip]

config/application.yml.example

@@ -69,7 +69,7 @@ defaults: &defaults
   ## Include jQuery from Google's CDN
   ## This potentially saves you some traffic and speeds up
   ## load time since most clients already have this one cached
-  jquery_cdn: true
+  jquery_cdn: false
 
   ## Provide a key to enable tracking by Google Analytics 
   google_a_site: false
@@ -235,6 +235,7 @@ development:
 
 production:
   <<: *defaults
+  jquery_cdn: true 
 
 ##################################################
 # FEDERATION LOGGER ##############################