Update CHANGELOG.md for 10.2.5

CHANGELOG.md

@@ -2,6 +2,26 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 10.2.5 (2017-12-15)
+
+### Fixed (8 changes)
+
+- Create a fork network for forks with a deleted source. !15595
+- Correctly link to a forked project from the new fork page. !15653
+- Fix the fork project functionality for projects with hashed storage. !15671
+- Fix updateEndpoint undefined error for issue_show app root. !15698
+- Fix broken illustration images for monitoring page empty states. !15889
+- Fix related branches/Merge requests failing to load when the hostname setting is changed.
+- Fix gitlab:import:repos Rake task moving repositories into the wrong location.
+- Gracefully handle case when repository's root ref does not exist.
+
+### Performance (3 changes)
+
+- Keep track of all circuitbreaker keys in a set. !15613
+- Only load branch names for protected branch checks.
+- Optimize API /groups/:id/projects by preloading associations.
+
+
 ## 10.2.4 (2017-12-07)
 
 ### Security (3 changes)

changelogs/unreleased/40285-prometheus-loading-screen-no-longer-seems-to-appear.yml

----
-title: Fix broken illustration images for monitoring page empty states
-merge_request: 15889
-author:
-type: fixed

changelogs/unreleased/40555-replace-absolute-urls-with-related-branches-to-avoid-hostname.yml

----
-title: Fix related branches/Merge requests failing to load when the hostname setting
-  is changed
-merge_request:
-author:
-type: fixed

changelogs/unreleased/40711-fix-forking-hashed-projects.yml

----
-title: Fix the fork project functionality for projects with hashed storage
-merge_request: 15671
-author:
-type: fixed

changelogs/unreleased/40715-updateendpoint-undefined-on-issue-page.yml

----
-title: Fix updateEndpoint undefined error for issue_show app root
-merge_request: 15698
-author:
-type: fixed

changelogs/unreleased/bvl-circuitbreaker-keys-set.yml

----
-title: Keep track of all circuitbreaker keys in a set
-merge_request: 15613
-author:
-type: performance

changelogs/unreleased/bvl-double-fork.yml

----
-title: Correctly link to a forked project from the new fork page.
-merge_request: 15653
-author:
-type: fixed

changelogs/unreleased/bvl-fork-networks-for-deleted-projects.yml

----
-title: Create a fork network for forks with a deleted source
-merge_request: 15595
-author:
-type: fixed

changelogs/unreleased/protected-branches-names.yml

----
-title: Only load branch names for protected branch checks
-merge_request:
-author:
-type: performance

changelogs/unreleased/sh-fix-import-rake-task.yml

----
-title: Fix gitlab:import:repos Rake task moving repositories into the wrong location
-merge_request:
-author:
-type: fixed

changelogs/unreleased/sh-fix-root-ref-repository.yml

----
-title: "Gracefully handle case when repository's root ref does not exist"
-merge_request:
-author:
-type: fixed

changelogs/unreleased/sh-optimize-groups-api.yml

----
-title: Optimize API /groups/:id/projects by preloading associations
-merge_request:
-author:
-type: performance