Update 2.12.1 release notes with more fixes

Change-Id: Ie3fe760071edacc2640f30378095e8dea8b31bb1

ReleaseNotes/ReleaseNotes-2.12.1.txt

@@ -117,6 +117,10 @@ The `index.defaultMaxClauseCount` configuration option is removed, and the
 existing `index.maxTerms` is reused. The default value of `index.maxTerms`
 is reduced from 'no limit' to 1024.
 
+* link:https://code.google.com/p/gerrit/issues/detail?id=3919[Issue 3919]:
+Explicitly set parent project to 'All-Projects' when a project is created
+without giving the parent.
+
 UI
 ^^
 
@@ -136,6 +140,15 @@ Fix display of active row marker in tag list.
 +
 Clicking on one of the rows would cause the tag name to disappear.
 
+* link:https://code.google.com/p/gerrit/issues/detail?id=1207[Issue 1207]:
+Fix keyboard shortcuts for non-US keyboards on side-by-side diff screen.
++
+The forward/backward navigation keys `[` and `]` only worked on keyboards where
+these characters could be typed without using any modifier key (like CTRL, ALT,
+etc..).
++
+Note that the problem still exists on the unified diff screen.
+
 Plugins
 ^^^^^^^