* stable-2.8:
Update 2.8.2 release notes with recently merged changes
Update change to invalidate cache after deletion of draft revision
Buck: Decouple plugin-api installation from deployment
SideBySide2: Fill the browser width
SideBySide2: Fix tab alignment to be correct width
Extend ChangeScreen2 horizontal bars to full width.
Conflicts:
gerrit-gwtui/src/main/java/com/google/gerrit/client/change/ChangeScreen2.ui.xml
gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/DiffTable.ui.xml
Change-Id: Ie78dbe4f7c6695be273a78e4fe44a2d4081aed7e
d31a2de4c9