Adds usage examples for CONFIG_NEUTRON_L2_PLUGIN

Change-Id: I5371c0510ddb7b16e1cf1ce07998a02f531a5bef
Fixes: rhbz#1066019
Signed-off-by: Gael Chamoulaud <gchamoul@redhat.com>
Fixes libvirtd restart

When libvirtd is restarted it kills it's socket
wich causes nova to fail.

Change-Id: I484ef56fe0b020cd457397b00aabac7da7a317bb
Fixes: rhbz#1109362
Ensure ceilometer depends on nova-common package

Package openstack-nova-common provides user nova which ceilometer
seems to need if we use openstack-ceilometer-compute.

Change-Id: I49f667841e147ce553d7609227f4e9ab5d00421f
Closes-Bug: rhbz#1115946
Configures NTP Servers by default

- Packstack should configure NTP on each nodes
- By default, it will use [0,1,2,3].fedora.pool.ntp.org

Change-Id: Ie593297f036eb2994118d1dc4286d3efa7cd4716
Fixes: rhbz#1086349
Signed-off-by: Gael Chamoulaud <gchamoul@redhat.com>
Merge "Adds usage examples for CONFIG_NEUTRON_L2_PLUGIN"