Fix misspellings in neutron
Fix misspellings in neutron

Fix misspellings detected by:
* pip install misspellings
* git ls-files | grep -v locale | misspellings -f -

Change-Id: I93d9e2a65b0c1d1d801cae59b74d7258fbdb17dc
Closes-Bug: #1257295

Gitweijie/first_project,noironetworks/networking-cisco,nikolay-fedotov/networking-cisco,cisco-openstack/networking-cisco,Tehsmash/networking-cisco,openstack/networking-cisco,noironetworks/networking-cisco,openstack/networking-cisco,Tehsmash/networking-cisco,Gitweijie/first_project,CiscoSystems/networking-cisco,cisco-openstack/networking-cisco,hareeshpc/networking-cisco,hareeshpc/networking-cisco,CiscoSystems/networking-cisco