added ability to reload the bank balances automatically.

src/cljs/auto_ap/effects.cljs

@@ -259,3 +259,19 @@
                 (dates->date-times)
                 (on-success)
                 (re-frame/dispatch))))))))
+
+(defonce interval-handler 
+  (let [live-intervals (atom {})]
+    (fn handler [{:keys [action id frequency event]}]
+      (condp = action
+        :clean   (doall
+                  (map #(handler {:action :end  :id  %1}) (keys @live-intervals)))
+        :start   (swap! live-intervals assoc id (js/setInterval #(re-frame/dispatch event) frequency)) 
+        :end     (do (js/clearInterval (get @live-intervals id)) 
+                     (swap! live-intervals dissoc id))))))
+(interval-handler {:action :clean})
+(re-frame.core/reg-fx        ;; the re-frame API for registering effect handlers
+ :interval                  ;; the effect id
+ interval-handler)
+
+