add message strings to recheckwatchbot.yaml

This is done *before* the code is added to support this as for
CD deployment we need to land catalog first, then code changes
after the catalog is in place, otherwise we stop having working
messages entirely.

Change-Id: I159e07c233f636c9261ad0b204cf394f748243b3

recheckwatchbot.yaml

@@ -15,4 +15,22 @@ channels:
       events:
         - positive
         - negative
+messages:
+  # | means don't fold newlines, > means do
+  found_bug: |
+    I noticed jenkins failed, I think you hit bug(s):
 
+    %(bugs)s
+  footer: >-
+    For more details on this and other bugs, please see
+    http://status.openstack.org/elastic-recheck/
+  recheck_instructions: >-
+    If you believe we've correctly identified the failure, feel free to leave a 'recheck'
+    comment to run the tests again.
+  unrecognized: >-
+    Some of the tests failed in a way that we did not understand. Please help
+    us classify these issues so that they can be part of Elastic Recheck
+    http://status.openstack.org/elastic-recheck/
+  no_bugs_found: >-
+    I noticed jenkins failed, refer to:
+    https://wiki.openstack.org/wiki/GerritJenkinsGithub#Test_Failures