Move gaelogging from luci/luci-go to luci/gae

Move gaelogging from luci/luci-go to luci/gae

Also makes impl/memory Use memlogger too for consistency. This change is
required to make luci-go logging work on appengine due to
3a50526e08194bd66487c7c03cccd2108c236468.

R=dnj@chromium.org, estaab@chromium.org, vadimsh@chromium.org
BUG=https://github.com/luci/gae/issues/22

Committed: https://github.com/luci/gae/commit/b477d21d8b294002993bd96616aa551f3d0f05cf

[dnj, 2015-12-04 04:32:44]

lgtm

[Vadim Sh., 2015-12-04 05:00:52]

lgtm

[iannucci, 2015-12-04 20:07:23]

The CQ bit was checked by iannucci@chromium.org

[iannucci, 2015-12-04 20:07:23]

The patchset sent to the CQ was uploaded after l-g-t-m from dnj@chromium.org,
vadimsh@chromium.org
Link to the patchset: https://chromiumcodereview.appspot.com/1498963003/#ps40001
(title: "rebase")

[commit-bot: I haz the power, 2015-12-04 20:07:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1498963003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1498963003/40001

[commit-bot: I haz the power, 2015-12-04 20:12:18]

Description was changed from

==========
Move gaelogging from luci/luci-go to luci/gae

Also makes impl/memory Use memlogger too for consistency. This change is
required to make luci-go logging work on appengine due to
3a50526e08194bd66487c7c03cccd2108c236468.

R=dnj@chromium.org, estaab@chromium.org, vadimsh@chromium.org
BUG=https://github.com/luci/gae/issues/22
==========

to

==========
Move gaelogging from luci/luci-go to luci/gae

Also makes impl/memory Use memlogger too for consistency. This change is
required to make luci-go logging work on appengine due to
3a50526e08194bd66487c7c03cccd2108c236468.

R=dnj@chromium.org, estaab@chromium.org, vadimsh@chromium.org
BUG=https://github.com/luci/gae/issues/22

Committed:
https://github.com/luci/gae/commit/b477d21d8b294002993bd96616aa551f3d0f05cf
==========

[commit-bot: I haz the power, 2015-12-04 20:12:19]

Committed patchset #3 (id:40001) as
https://github.com/luci/gae/commit/b477d21d8b294002993bd96616aa551f3d0f05cf