Require also core_plugin setting

Command "neutron-db-manage upgrade" requires also DEFAULT/core_plugin
to be set to run successfuly.

Change-Id: Ic9966084f8c443010f69db80370df832c97121d3
Allow Ceilometer API for all hosts

Ceilometer API should be accessible at least to all hosts running
a partitioned alarm evaluation service. Simplest way to do is to
make it fully accessible.

Change-Id: Ie932e8a1a2374a69be2b2f10bcec9b3599a05f71
Fixes: rhbz#1040404
Revert "Move packstack logs to /var/log/packstack"

Due to security reasons.
This reverts commit 075eb3f5a80bc2ec881a80ff56e3190843886d03.

Change-Id: Ie12d3a57d9d25cb5d89c88e7761b1b8db7793b06
Merge "Revert "Move packstack logs to /var/log/packstack""
Merge "Require also core_plugin setting"