buffet: Move ShillClient to buffet

ShillClient is brillo specific code and should not be in libweave.

BUG=brillo:1249
TEST='FEATURES=test emerge-gizmo buffet'

Change-Id: Ib44f3621519eb9de4cafae3042117b71de413846
Reviewed-on: https://chromium-review.googlesource.com/290100
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
15 files changed
tree: 50b9e00f227b0ac573651db293f77fca42801932
  1. buffet/
  2. libweave/