publish 3.4 docs

docs/3.4/assets/js/ie8-responsive-file-warning.js

@@ -0,0 +1,13 @@
+// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
+// IT'S JUST JUNK FOR OUR DOCS!
+// ++++++++++++++++++++++++++++++++++++++++++
+/*!
+ * Copyright 2011-2018 Twitter, Inc.
+ *
+ * Licensed under the Creative Commons Attribution 3.0 Unported License. For
+ * details, see https://creativecommons.org/licenses/by/3.0/.
+ */
+// Intended to prevent false-positive bug reports about responsive styling supposedly not working in IE8.
+if (window.location.protocol == 'file:') {
+  window.alert('ERROR: Bootstrap\'s responsive CSS is disabled!\nSee getbootstrap.com/getting-started/#respond-file-proto for details.')
+}