bump version (still on 1.5.4 src though) to get jquery plugin registry to notice

fullcalendar.jquery.json

@@ -1,6 +1,6 @@
 {
   "name": "fullcalendar",
-  "version": "1.5.4",
+  "version": "1.5.4-final",
   "dependencies": {
     "jquery": "~1.8.1"
   },