Updated puppet-neutron to latest stable/icehouse

0a7e0f1 Add plugin config file to /etc/default/neutron-server
f06bb9b Install neutron-plugin-ml2 package on Ubuntu
83b0656 Support for Cisco ML2 Mech Driver
7abb13a Rename QUOTAS section for quotas
ebad7a3 Add ability to configure dhcp_agent_notification
a028071 Add linuxbridge mechanism support for ML2 plugin
fcb68dd ml2: fix neutron-server restart
cf68d42 Undeprecate enable_security_group parameter
06d3c52 Simplify ml2_config.ini symlink resource management
6f106f1 Release 4.2.0
Merge pull request #104 from paramite/neutron-icehouse-update

Updated puppet-neutron to latest stable/icehouse