Fix popover relocating on window resizing

Also stay under the navbar if scrolling down the page.

data/interfaces/default/css/plexpy.css

@@ -1697,9 +1697,19 @@ input[type="color"],
     color: #fff;
     cursor: pointer;
 }
+.popover {
+    z-index: 2;
+}
 .popover .popover-content {
     color: #000;
 }
+.noTransition
+{
+    -moz-transition: none !important;
+    -webkit-transition: none !important;
+    -o-transition: none !important;
+    transition: none !important;
+}
 #users-to-delete > li {
     color: #e9a049;
 }

data/interfaces/default/users.html

@@ -87,7 +87,7 @@
 
         var users_to_purge = [];
         $('#row-edit-mode').on('click', function () {
-            $(this).parents('span#purge-message').popover('toggle');
+            $('#purge-message').popover();
 
             if ($(this).hasClass('active')) {
                 users_to_purge = [];
@@ -141,6 +141,15 @@
 
             }
         });
+
+        $(window).resize(function () {
+            if ($('.popover').popover().is(':visible')) {
+                var popover = $('.popover');
+                popover.addClass("noTransition");
+                $('#purge-message').popover('show');
+                popover.removeClass("noTransition");
+            }
+        });
     });
 
     $("#refresh-users-list").click(function() {