Make sure bridge provision is disabled for Nova network

Currently CONFIG_PROVISION_ALL_IN_ONE_OVS_BRIDGE values are undeterministic
and can have (true|y) and (false|n) values. This is temporary fix and we will
need to create more robust fix for boolean parameters in the future.

Change-Id: I18c37e5f277e0117c94867fe8e8ef727db73b77f
Fixes: rhbz#1115444
Change nova api steps generating puppet manifests to fix neutron

Network configuration of nova has to run before common manifest and
after all other manifests in order to iterate over all nodes as
network_api_class has to be set to neutron on all nova nodes.

Closes-Bug: rhbz#1115458
Change-Id: If6e23898f7cbaf381620312b13c72c61f7b57ed1
Merge "Change nova api steps generating puppet manifests to fix neutron"
Merge "Make sure bridge provision is disabled for Nova network"