[GIT PULL] gitk update

Hi Junio,

Whenever it's convenient, please do a pull from my gitk repository at
git://ozlabs.org/~paulus/gitk.git to get four commits updating gitk.

Thanks,
Paul.

----------------------------------------------------------------
Gabriele Mazzotta (1):
      gitk: Do not mistake unchanged lines for submodule changes

Paul Mackerras (1):
      gitk: Make web links clickable

Paul Wise (1):
      gitk: Use right colour for remote refs in the "Tags and heads" dialog

YanKe (1):
      gitk: Add Chinese (zh_CN) translation

 gitk        |   64 ++-
 po/zh_CN.po | 1367 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1427 insertions(+), 4 deletions(-)
 create mode 100644 po/zh_CN.po