update bower version and dependencies

bower_components/bootstrap/less/scaffolding.less

@@ -148,3 +148,15 @@ hr {
     clip: auto;
   }
 }
+
+
+// iOS "clickable elements" fix for role="button"
+//
+// Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
+// for traditionally non-focusable elements with role="button"
+// see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
+// Upstream patch for normalize.css submitted: https://github.com/necolas/normalize.css/pull/379 - remove this fix once that is merged
+
+[role="button"] {
+  cursor: pointer;
+}