Moves mandoline/ui/aura to ui/views/mus

Moves mandoline/ui/aura to ui/views/mus

I renamed a couple of classes as well (mojo->mus).

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

Committed: https://crrev.com/78bcb12f4603d637a4e1804795b74d31fb3780fe
Cr-Commit-Position: refs/heads/master@{#354110}

[Ben Goodger (Google), 2015-10-14 20:06:55]

lgtm

[sky, 2015-10-14 20:07:11]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2015-10-14 20:08:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1402213002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1402213002/1

[commit-bot: I haz the power, 2015-10-14 20:19:43]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-10-14 20:19:44]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[sky, 2015-10-14 20:24:23]

The CQ bit was checked by sky@chromium.org

[sky, 2015-10-14 20:24:24]

The patchset sent to the CQ was uploaded after l-g-t-m from ben@chromium.org
Link to the patchset: https://codereview.chromium.org/1402213002/#ps20001
(title: "disable presubmit")

[commit-bot: I haz the power, 2015-10-14 20:26:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1402213002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1402213002/20001

[commit-bot: I haz the power, 2015-10-14 21:03:59]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-14 21:04:55]

Patchset 2 (id:??) landed as
https://crrev.com/78bcb12f4603d637a4e1804795b74d31fb3780fe
Cr-Commit-Position: refs/heads/master@{#354110}