add link to openQA results in announcer

maybe that helps to bring more attention to the test results

factory-package-news/announcer.py

@@ -52,6 +52,9 @@ Please note that this mail was generated by a script.
 The described changes are computed based on the x86_64 DVD.
 The full online repo contains too many changes to be listed here.
 
+Please check the known defects of this snapshot before upgrading:
+https://openqa.opensuse.org/tests/overview?distri=opensuse&groupid=1&version=Tumbleweed&build={}
+
 """
 
 current_fn = os.path.join(os.path.dirname(__file__), "announcer-current-version")
@@ -108,7 +111,7 @@ if not "====" in txt:
         print >>sys.stderr, "no changes or file corrupt? not sending anything"
     sys.exit(1)
 
-msg = MIMEText(intro + txt)
+msg = MIMEText(intro.format(version) + txt)
 msg['Subject'] = 'New Tumbleweed snapshot %s released!'%version
 msg['From'] = options.sender
 msg['To'] = options.to