Update CHANGELOG.md for 8.15.2

[ci skip]

CHANGELOG.md

@@ -2,6 +2,21 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 8.15.2 (2016-12-27)
+
+- Fix mr list timestamp alignment. !8271
+- Fix discussion overlap text in regular screens. !8273
+- Fixes mini-pipeline-graph dropdown animation and stage position in chrome, firefox and safari. !8282
+- Fix line breaking in nodes of the pipeline graph in firefox. !8292
+- Fixes confendential warning text alignment. !8293
+- Hide Scroll Top button for failed build page. !8295
+- Fix finding the latest pipeline. !8301
+- Disable PostgreSQL statement timeouts when removing unneeded services. !8322
+- Fix timeout when MR contains large files marked as binary by .gitattributes.
+- Rename "autodeploy" to "auto deploy".
+- Fixed GFM autocomplete error when no data exists.
+- Fixed resolve discussion note button color.
+
 ## 8.15.1 (2016-12-23)
 
 - Push payloads schedule at most 100 commits, instead of all commits.

changelogs/unreleased/25909-fix-mr-list-timestamp-alignment.yml

----
-title: Fix mr list timestamp alignment
-merge_request: 8271
-author:

changelogs/unreleased/25930-discussion-actions-overlap-header-text.yml

----
-title: Fix discussion overlap text in regular screens
-merge_request: 8273
-author:

changelogs/unreleased/25931-gitlab-merge-request-view-crash-when-commiting-a-js-sourcemap-file.yml

----
-title: Fix timeout when MR contains large files marked as binary by .gitattributes
-merge_request:
-author:

changelogs/unreleased/26018-mini-pipeline-hover-cross-broswer.yml

----
-title: Fixes mini-pipeline-graph dropdown animation and stage position in chrome, firefox and safari
-merge_request: 8282
-author:

changelogs/unreleased/26026-pipeline-overflow-firefox.yml

----
-title: Fix line breaking in nodes of the pipeline graph in firefox
-merge_request: 8292
-author:

changelogs/unreleased/26038-fix-confedential-warning-text-alignment.yml

----
-title: Fixes confendential warning text alignment
-merge_request: 8293
-author:

changelogs/unreleased/26040-hide-scroll-top.yml

----
-title: Hide Scroll Top button for failed build page
-merge_request: 8295
-author:

changelogs/unreleased/auto-deploy-with-space.yml

----
-title: Rename "autodeploy" to "auto deploy"
-merge_request:
-author:

changelogs/unreleased/changelog-mr8322.yml

----
-title: Disable PostgreSQL statement timeouts when removing unneeded services
-merge_request: 8322
-author:

changelogs/unreleased/fix-latest-pipeine-ordering.yml

----
-title: Fix finding the latest pipeline
-merge_request: 8301
-author:

changelogs/unreleased/label-gfm-error-fix.yml

----
-title: Fixed GFM autocomplete error when no data exists
-merge_request:
-author:

changelogs/unreleased/resolve-note-svg-color.yml

----
-title: Fixed resolve discussion note button color
-merge_request:
-author: