Update CHANGELOG-EE.md for 9.5.3-ee

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CHANGELOG-EE.md

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+## 9.5.3 (2017-09-03)
+
+- [FIXED] Check if table exists before loading the current license. !2783
+- [FIXED] Extend early adopters feature set.
+
 ## 9.5.2 (2017-08-28)
 
 - [FIXED] Fix LDAP backwards-compatibility when using "method" or when "verify_certificates" is not defined. !2690

changelogs/unreleased-ee/3280-fix-feature-available-check-when-license-table-does-not-exist.yml

----
-title: Check if table exists before loading the current license.
-merge_request: 2783
-author:
-type: fixed

changelogs/unreleased-ee/extend-early-adopters-feature-set.yml

----
-title: Extend early adopters feature set
-merge_request:
-author:
-type: fixed