Update zuul's status page to bootstrap 3.1.1

Also utilise bootstrap's components more for display.

Change-Id: I7c89a5cda2cdb9f4b3e1d473f7d7792840e9fd61
diff --git a/etc/status/public_html/status-basic.json-sample b/etc/status/public_html/status-basic.json-sample
index c88e5b7..63745a3 100644
--- a/etc/status/public_html/status-basic.json-sample
+++ b/etc/status/public_html/status-basic.json-sample
@@ -1,6 +1,6 @@
 {
     "last_reconfigured": 1389381756000,
-    "message": "Example error message",
+    "message": "Example info message",
     "pipelines": [
         {
             "name": "test",