Update CHANGELOG-EE.md for 10.4.2-ee

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CHANGELOG-EE.md

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+## 10.4.2 (2018-01-30)
+
+### Fixed (7 changes)
+
+- Fix Epic issue item reordering to handle different scenarios. !4142
+- Fix visually broken admin dashboard until license is added. !4196
+- Handle empty event timestamp and larger memory units. !4206
+- Use a fixed remote name for Geo mirrors. !4249
+- Preserve updated issue order to store when reorder is completed. !4278
+- Geo - Fix OPENSSH_EXPECTED_COMMAND in the geo:check rake task.
+- Execute group hooks after-commit when moving an issue.
+
+
 ## 10.4.1 (2018-01-24)
 
 ### Fixed (1 change)

changelogs/unreleased-ee/4627-fix-epic-issue-reordering.yml

----
-title: Fix Epic issue item reordering to handle different scenarios
-merge_request: 4142
-author:
-type: fixed

changelogs/unreleased-ee/4693-use-fixed-remote-name-for-geo.yml

----
-title: Use a fixed remote name for Geo mirrors
-merge_request: 4249
-author:
-type: fixed

changelogs/unreleased-ee/4716-preserve-issue-order.yml

----
-title: Preserve updated issue order to store when reorder is completed
-merge_request: 4278
-author:
-type: fixed

changelogs/unreleased-ee/da-fix-openssh-expected-command.yml

----
-title: Geo - Fix OPENSSH_EXPECTED_COMMAND in the geo:check rake task
-merge_request:
-author:
-type: fixed

changelogs/unreleased-ee/dm-issue-move-transaction-error-ee.yml

----
-title: Execute group hooks after-commit when moving an issue
-merge_request:
-author:
-type: fixed

changelogs/unreleased-ee/jramsay-4661-fix-admin-dashboard.yml

----
-title: Fix visually broken admin dashboard until license is added
-merge_request: 4196
-author:
-type: fixed

changelogs/unreleased-ee/kp-fix-geo-admin-bugs.yml

----
-title: Handle empty event timestamp and larger memory units
-merge_request: 4206
-author:
-type: fixed