Update 2.13 release notes

-Add info about all commits referring to an issue.
-Group all UI related sections under a common section.

Change-Id: Ic13a760f7948e0420718d4fbba0cb69c97c2e3d7
diff --git a/ReleaseNotes/ReleaseNotes-2.13.txt b/ReleaseNotes/ReleaseNotes-2.13.txt
index d45a7a2..9dbe4bf 100644
--- a/ReleaseNotes/ReleaseNotes-2.13.txt
+++ b/ReleaseNotes/ReleaseNotes-2.13.txt
@@ -109,7 +109,40 @@
 link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.13/cmd-index-changes.html[
 reindex changes].
 
-=== Change and Diff Screens
+
+=== UI
+
+==== Change Screen
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=106[Issue 106]:
+Allow to select parent for diff base in change screen.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3035[Issue 3035]:
+Allow to remove specific votes from a change, while leaving the reviewer on the
+change.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3487[Issue 3487]:
+Use 'Ctrl-Alt-e' instead of 'e' to open edit mode.
+
+==== Diff Screens
+
+* Add all syntax highlighting available in CodeMirror.
+
+* Improve search experience in diff screen
++
+Ctrl-F, Ctrl-G and Shift-Ctrl-G now bind to the search dialog box provided by
+CodeMirror's search add-on. Enter and Shift-Enter navigate among the search
+results from the CodeMirror search, just like they do in a normal browser
+search. Esc now clears the search result.
++
+If the user sets `Render` to `Slow` in the diff preferences and the file is less
+than 4000 lines (huge), then Ctrl-F, Ctrl-G and Shift-Ctrl-G fall back to the
+browser search.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=2968[Issue 2968]:
+Allow to go back to change list by keyboard shortcut from diff screens.
+
+==== Side-By-Side Diff Screen
 
 * Blame annotations
 +
@@ -118,11 +151,21 @@
 `change.allowBlame`], blame annotations can be shown in the side-by-side diff
 screen gutter. Clicking the annotation opens the relevant change.
 
-* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=106[Issue 106]:
-Allow to select parent for diff base in change screen.
+==== User Preferences
 
-* Allow to remove specific votes from a change, while leaving the reviewer
-on the change.
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=989[Issue 989]:
+New option to control email notifications.
++
+Users can now choose between 'Enabled', 'Disabled' and 'CC Me on Comments I Write'.
+
+* New option to control adding 'Signed-off-by' footer in commit message of new changes
+created online.
+
+* New option to control auto-indent width in inline editor.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=890[Issue 890]:
+New diff option to control whether to skip unchanged files when navigating to
+the previous or the next file.
 
 === Changes
 
@@ -174,8 +217,19 @@
 link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.13/rest-api-accounts.html#get-oauth-token[
 Get OAuth Access Token].
 
+* New endpoint:
+link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.13/rest-api-accounts.html#list-contributor-agreements[
+List Contributor Agreements].
+
+* New endpoint:
+link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.13/rest-api-accounts.html#sign-contributor-agreement[
+Sign Contributor Agreement].
+
 ==== Changes
 
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3579[Issue 3579]:
+Append submitted info to ChangeInfo.
+
 * New endpoint:
 link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.13/rest-api-changes.html#move-change[
 Move Change].
@@ -208,22 +262,20 @@
 link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.13/rest-api-projects.html#get-mergeable-info[
 Get Mergeable Information].
 
-=== User Preferences
-
-* New option to control email notifications.
-+
-Users can now choose between 'Enabled', 'Disabled' and 'CC Me on Comments I Write'.
-
-* New option to control adding 'Signed-off-by' footer in commit message of new changes
-created online.
-
-* New option to control auto-indent width in inline editor.
-
 === Plugins
 
 Plugins may now store secure settings in `etc/$PLUGIN.secure.config` where they
 will be decoded by the Secure Store implementation.
 
+=== Misc
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=4015[Issue 4015]:
+Allow setting a comment message when uploading a change.
+
+* Support ACLs for superproject subscriptions
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3220[Issue 3220]:
+Append approval info to every comment-added stream event and hook.
 
 == Bug Fixes
 
@@ -238,6 +290,44 @@
 values being displayed were just dummy values. Now these values are
 only displayed for the MINA backend.
 
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=4150[Issue 4150]:
+Deleting a draft inline comment no longer causes the change's `Updated` field to
+be bumped.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=4099[Issue 4099]:
+Fix SubmitWholeTopic does not update subscriptions.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3603[Issue 3603]:
+Fix editing a submodule via inline edit.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=4069[Issue 4069]:
+Fix highlights in scrollbar overview ruler not moved when extending the
+displayed area.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3446[Issue 3446]:
+Respect the `Skip Deleted` diff preference.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3445[Issue 3445]:
+Respect the `Skip Uncommented` diff preference.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=4051[Issue 4051]:
+Fix empty `From` email header.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3423[Issue 3423]:
+Fix intraline diff for added spaces.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=1867[Issue 1867]:
+Remove `no changes made` error case when the only difference between a new
+commit and the previous patch set of the change is the committer.
+
+Remove "no changes made" error case
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3831[Issue 3831]:
+Prevent creating groups with the same name as a system group.
+
+* link:https://bugs.chromium.org/p/gerrit/issues/detail?id=3754[Issue 3754]:
+Fix `View All Accounts` permission to allow accounts rest endpoint to access
+email info.
+
 == Dependency updates
 
 * Add dependency on blame-cache 0.1-9