uiref -- added extras view, and demonstrated fallback keystroke handler.

Change-Id: I9c0399b7b10bf86ffa3069863b5282042c8a0d7c
diff --git a/uiref/src/main/resources/css.html b/uiref/src/main/resources/css.html
index 563a7c3..a402bd8 100644
--- a/uiref/src/main/resources/css.html
+++ b/uiref/src/main/resources/css.html
@@ -1,3 +1,4 @@
 <link rel="stylesheet" href="app/view/uiRefCustom/uiRefCustom.css">
 <link rel="stylesheet" href="app/view/uiRefTable/uiRefTable.css">
-<link rel="stylesheet" href="app/view/uiRefTopov/uiRefTopov.css">
\ No newline at end of file
+<link rel="stylesheet" href="app/view/uiRefTopov/uiRefTopov.css">
+<link rel="stylesheet" href="app/view/uiRefExtra/uiRefExtra.css">
\ No newline at end of file