cleanup server.cljs a tad

Left some in-editor execution stuff in there

src/server/picture_processor/server.cljs

@@ -1,6 +1,9 @@
 (ns picture-processor.server)
 
+; js requires
 (def express (js/require "express"))
+
+; the currently running server
 (def server (atom nil))
 
 (defn- root-response
@@ -11,18 +14,16 @@
   "Start the app server"
   [port]
   (let [app (express)]
+    ; build the routing tree
     (.get app "/" root-response)
-    (let [-server (.listen app port #(.log js/console (str "Server listening on port " port)))]
-      (reset! server -server)
-      (.log js/console @server)
-      )))
+    (let [-server (.listen app
+                           port
+                           #(.log js/console (str "Server listening on port "
+                                                  port)))]
+      (reset! server -server))))
 
 (defn stop
   "Stop the app server"
   []
   (.close @server)
   (reset! server nil))
-
-(start 3000)
-(stop)
-(.log js/console @server)