Merge pull request #273 from defunkt/ff-initial-pop

Fix initial pop in FF

Author: josh

jquery.pjax.js

@@ -371,6 +371,11 @@ if (initialState && initialState.container) {
   pjax.state = initialState
 }
 
+// Non-webkit browsers don't fire an initial popstate event
+if ('state' in window.history) {
+  initialPop = false
+}
+
 // popstate handler takes care of the back and forward buttons
 //
 // You probably shouldn't use pjax on pages with other pushState