Adds a common way to initialize logging

Adds a common way to initialize logging

This way you can use --v and other things and it'll work.

BUG=none
TEST=none
R=jam@chromium.org

Committed: https://crrev.com/8687467c6232548dc24b645b539752c453ee1c54
Cr-Commit-Position: refs/heads/master@{#346920}

[jam, 2015-09-02 05:55:47]

lgtm

[sky, 2015-09-02 15:00:13]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2015-09-02 15:00:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1304893008/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1304893008/1

[commit-bot: I haz the power, 2015-09-02 15:24:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-02 15:25:28]

Patchset 1 (id:??) landed as
https://crrev.com/8687467c6232548dc24b645b539752c453ee1c54
Cr-Commit-Position: refs/heads/master@{#346920}