Regenerated coverage to work with GH pages:

docs/coverage/phpunit_js/file.js

@@ -0,0 +1,62 @@
+  $(function() {
+   var $window     = $(window)
+     , $top_link   = $('#toplink')
+     , $body       = $('body, html')
+     , offset      = $('#code').offset().top
+     , hidePopover = function ($target) {
+        $target.data('popover-hover', false);
+
+        setTimeout(function () {
+         if (!$target.data('popover-hover')) {
+          $target.popover('hide');
+         }
+        }, 300);
+     };
+
+   $top_link.hide().click(function(event) {
+    event.preventDefault();
+    $body.animate({scrollTop:0}, 800);
+   });
+
+   $window.scroll(function() {
+    if($window.scrollTop() > offset) {
+     $top_link.fadeIn();
+    } else {
+     $top_link.fadeOut();
+    }
+   }).scroll();
+
+   $('.popin')
+    .popover({trigger: 'manual'})
+    .on({
+     'mouseenter.popover': function () {
+      var $target = $(this);
+      var $container = $target.children().first();
+
+      $target.data('popover-hover', true);
+
+      // popover already displayed
+      if ($target.next('.popover').length) {
+       return;
+      }
+
+      // show the popover
+      $container.popover('show');
+
+      // register mouse events on the popover
+      $target.next('.popover:not(.popover-initialized)')
+       .on({
+        'mouseenter': function () {
+         $target.data('popover-hover', true);
+        },
+        'mouseleave': function () {
+         hidePopover($container);
+        }
+       })
+       .addClass('popover-initialized');
+     },
+     'mouseleave.popover': function () {
+      hidePopover($(this).children().first());
+     }
+    });
+  });