Adds information about the pull request #1031 on the CHANGES file

Author: Felipe Zimmerle

CHANGES

@@ -1,6 +1,9 @@
 DD mmm YYYY - X.Y.Z (To be released)
 ------------------------------------
 
+ * Allow mod_proxy's "nocanon" behavior to be specified in proxy actions
+   and Perform the intercept_action as well as the disruptive actions.
+   [Issue #1031, #961, #763 - Mario D. Santana and ModSecurity team]
  * Refactoring conditional directives for if wrappers, alternative if
    statements and incomplete if conditions.
    [Issue #996 - Wesley M and ModSecurity team]