Update puppet-neutron to most recent stable/icehouse

Fixes: rhbz#1118010

stackforge/puppet-neutron@d7ea12e Link from ovs config file to plugin.ini on RedHat
stackforge/puppet-neutron@0ad1b62 Merge "Configure OVS Agent when using ML2 plugin" into stable/icehouse
stackforge/puppet-neutron@10c9606 Configure OVS Agent when using ML2 plugin
stackforge/puppet-neutron@5c714a6 Merge "Set default metadata backlog to 4096" into stable/icehouse
stackforge/puppet-neutron@d4c7f3b Merge "Add multi-region support" into stable/icehouse
stackforge/puppet-neutron@346aa78 Set default metadata backlog to 4096
stackforge/puppet-neutron@29071af Refresh Neutron server
stackforge/puppet-neutron@56c5327 Add multi-region support
stackforge/puppet-neutron@d91441f Release 4.1.0
stackforge/puppet-neutron@7ec1d59 Merge "Added '' as a valid value for gateway_ip" into stable/icehouse
stackforge/puppet-neutron@6513cb6 Added '' as a valid value for gateway_ip
stackforge/puppet-neutron@05c13ee Enable neutron server to be run in SSL mode
stackforge/puppet-neutron@d6896a6 SSL for communication between neutron and rabbitmq
stackforge/puppet-neutron@55ef5b5 Pin neutron gem versions for stable branch
stackforge/puppet-neutron@35ca33a Add parameter to set veth MTU

Signed-off-by: Gael Chamoulaud <gchamoul@redhat.com>