Add wrapper scripts around apply_issue.py so that it can be called directly

Add wrapper scripts around apply_issue.py so that it can be called directly
if depot tools is in the path.

BUG=149941
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=158039

[M-A Ruel, 2012-09-21 19:03:43]

lgtm without auto-update.

https://codereview.chromium.org/10966042/diff/1/apply_issue
File apply_issue (right):

https://codereview.chromium.org/10966042/diff/1/apply_issue#newcode8
apply_issue:8: "$base_dir"/update_depot_tools
Please don't.

https://codereview.chromium.org/10966042/diff/1/apply_issue.bat
File apply_issue.bat (right):

https://codereview.chromium.org/10966042/diff/1/apply_issue.bat#newcode9
apply_issue.bat:9: :: Synchronize the root directory before deferring control to
apply_issue.py.
Please don't.

[Roger Tawa OOO till Jul 10th, 2012-09-21 19:06:23]

Merci MA.  Comments addressed, changes uploaded.  I had copied that from
gclient.bat/gclient.

http://codereview.chromium.org/10966042/diff/1/apply_issue
File apply_issue (right):

http://codereview.chromium.org/10966042/diff/1/apply_issue#newcode8
apply_issue:8: "$base_dir"/update_depot_tools
On 2012/09/21 19:03:43, Marc-Antoine Ruel wrote:
> Please don't.

Done.

http://codereview.chromium.org/10966042/diff/1/apply_issue.bat
File apply_issue.bat (right):

http://codereview.chromium.org/10966042/diff/1/apply_issue.bat#newcode9
apply_issue.bat:9: :: Synchronize the root directory before deferring control to
apply_issue.py.
On 2012/09/21 19:03:43, Marc-Antoine Ruel wrote:
> Please don't.

Done.

[commit-bot: I haz the power, 2012-09-21 19:09:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rogerta@chromium.org/10966042/4002

[commit-bot: I haz the power, 2012-09-21 19:11:50]

Change committed as 158039