Update CHANGELOG.md for 10.3.1

[ci skip]

CHANGELOG.md

@@ -2,6 +2,19 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
+## 10.3.1 (2017-12-27)
+
+### Fixed (3 changes)
+
+- Don't link LFS objects to a project when unlinking forks when they were already linked. !16006
+- Execute project hooks and services after commit when moving an issue.
+- Fix Error 500s with anonymous clones for a project that has moved.
+
+### Changed (1 change)
+
+- Reduce the number of buckets in gitlab_cache_operation_duration_seconds metric. !15881
+
+
 ## 10.3.0 (2017-12-22)
 ### Security (1 change, 1 of them is from the community)

changelogs/unreleased/bvl-fix-unlinking-with-lfs-objects.yml

----
-title: Don't link LFS objects to a project when unlinking forks when they were already
-  linked
-merge_request: 16006
-author:
-type: fixed

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

----
-title: Execute project hooks and services after commit when moving an issue
-merge_request:
-author:
-type: fixed

changelogs/unreleased/osw-use-atomic-reference-instead-atomic-fixnum.yml

----
-title: Adjust failure when starting GitLab instance on x86 systems
-merge_request:
-author: Mike Limansky
-type: fixed

changelogs/unreleased/pawel-reduce_cardinality_of_prometheus_metrics.yml

----
-title: Reduce the number of buckets in gitlab_cache_operation_duration_seconds metric
-merge_request: 15881
-author:
-type: changed

changelogs/unreleased/sh-handle-anonymous-clones-project-moved.yml

----
-title: Fix Error 500s with anonymous clones for a project that has moved
-merge_request:
-author:
-type: fixed