Open per-file diff browser window/tab for each file.

Some Gerrit users find it convenient to open every file
in a separate per-file diff browser window or tab. This
should reduce a possibility to forget to review some
file(s).

Bug: issue 395
Signed-off-by: Sasa Zivkov <sasa.zivkov@sap.com>
Change-Id: Ie4138df0080fc92b7a451426f5dc1176283a6f55
3 files changed