rebuild + fix #2539

dist/css/bootstrap.css

@@ -2943,6 +2943,7 @@ button.close {
     display: none;
   }
   .nav-collapse.collapse {
+    display: block !important;
     height: auto !important;
     overflow: visible !important;
   }

dist/js/bootstrap.js

@@ -1454,6 +1454,8 @@ if (!jQuery) { throw new Error("Bootstrap requires jQuery") }
     this.init('popover', element, options)
   }
 
+  if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
+
   Popover.DEFAULTS = $.extend({} , $.fn.tooltip.Constructor.DEFAULTS, {
     placement: 'right'
   , trigger: 'click'

js/popover.js

@@ -27,6 +27,8 @@
     this.init('popover', element, options)
   }
 
+  if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
+
   Popover.DEFAULTS = $.extend({} , $.fn.tooltip.Constructor.DEFAULTS, {
     placement: 'right'
   , trigger: 'click'

less/navbar.less

@@ -330,6 +330,7 @@
     display: none;
   }
   .nav-collapse.collapse {
+    display: block !important;
     height: auto !important;
     overflow: visible !important;
   }