Change Issue Tracking to GitHub

index.html

@@ -13,8 +13,8 @@ badges:
       url:  https://github.com/spring-projects/spring-security
       icon: github
 
-    - name: Issues (JIRA)
-      url:  http://jira.springsource.org/browse/SEC
+    - name: Issues (GitHub)
+      url:  https://github.com/spring-projects/spring-security/issues
       icon: tracking
 
     - name: CI (Bamboo)