wait for localforage callback before redirecting

should help clear out the draft when a post is created.

for #109

views/new-post.php

@@ -815,7 +815,7 @@ $(function(){
       if(typeof response == "string") {
         response = JSON.parse(response);
       }
-      localforage.removeItem('current-note');
+      localforage.removeItem('current-note', function(){
         if(response.location) {
           window.location = response.location;
           // console.log(response.location);
@@ -825,6 +825,7 @@ $(function(){
           $("#test_success").addClass('hidden');
           $("#test_error").removeClass('hidden');
         }
+      });
     } catch(e) {
       $("#test_success").addClass('hidden');
       $("#test_error").removeClass('hidden');