Add Series autocomplete extends beyond tiny modal now.

UI/AddSeries/RootFolders/LayoutTemplate.html

@@ -2,7 +2,7 @@
     <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
     <i class="icon-hdd"/>
 </div>
-<div class="modal-body">
+<div class="modal-body root-folders-modal">
     <div class="input-prepend input-append x-path">
         <span class="add-on">&nbsp;<i class="icon-folder-open"></i></span>
         <input class="span5" type="text" placeholder="Path of the folder to add ...">

UI/AddSeries/addSeries.less

@@ -115,4 +115,8 @@ li.add-new:hover {
   .add-series-import-btn {
     width: 93.3%;
   }
+}
+
+.root-folders-modal {
+  overflow: visible;
 }