Update CHANGELOG-EE.md for 9.1.4-ee

[ci skip]

CHANGELOG-EE.md

 Please view this file on the master branch, on stable branches it's out of date.
 
+## 9.1.4 (2017-05-12)
+
+- Remove warning about protecting Service Desk email from form.
+- Backfill projects where the last attempt to backfill failed.
+
 ## 9.1.3 (2017-05-05)
 
 - No changes.

changelogs/unreleased-ee/2244-remove-warning-message-in-service-desk-setting.yml

----
-title: Remove warning about protecting Service Desk email from form
-merge_request:
-author:

changelogs/unreleased-ee/da-fix-projects-backfill.yml

----
-title: Backfill projects where the last attempt to backfill failed
-merge_request:
-author: