Improved FFOS experience

app/css/app.css

@@ -1129,6 +1129,10 @@ a.im_dialog_selected .im_dialog_date {
   white-space: nowrap;
   text-overflow: ellipsis;
 }
+.im_dialog_message {
+  color: #808080;
+}
+
 
 /* IM history */
 .im_history_col {

app/vendor/jquery.nanoscroller/nanoscroller.js

@@ -342,7 +342,7 @@
       this.$content.attr('tabindex', this.options.tabIndex || 0);
       this.content = this.$content[0];
       this.previousPosition = 0;
-      if (this.options.iOSNativeScrolling && (this.el.style.WebkitOverflowScrolling != null)) {
+      if (this.options.iOSNativeScrolling && (this.el.style.WebkitOverflowScrolling != null || navigator.userAgent.match(/mobi.+Gecko/i))) {
         this.nativeScrolling();
       } else {
         this.generate();