Merge pull request #118 from MirantisDellCrowbar/feature/DCB-149/pebbles/master

https://github.com/crowbar/barclamp-quantum/pull/118

Merged by devtool for rajinir
Remove link from subscribes and bring plugin_cfg_path to the same species
Fix root_helper string in ovs_quantum_plugin.ini
Commented out network_vlan_ranges in ovs_quantum_plugin.ini till transfer OVS section from quantum.conf
Move template of ovs_quantum_plugin.ini to common_install.rb
Return link resource for non PFS and add template for linuxbridge in pfs
Add link subscription for non PFS