Merge pull request #1 from hyunsun/stable/grizzly

fix syntax error on api.py patch
Merge pull request #2 from hyunsun/stable/grizzly

changed FLAGS to CONF
UCLOUDNG-240 remove xvpvncproxy configurations
UCLOUDNG-281
Set service_quantum_metadata_proxy = True
Add feature for nova-metadata ha on two controllers
Merge pull request #6 from chamankang/UCLOUDNG-240

UCLOUDNG-240 remove xvpvncproxy configurations
Merge pull request #5 from chamankang/UCLOUDNG-281

UCLOUDNG-281 and some changes
UCLOUDNG-287 : Use quantum security group instead of nova security group
Merge pull request #7 from chamankang/UCLOUDNG-287

UCLOUDNG-287 : Use quantum security group instead of nova security group
Use node attributes to get quantum options
Merge pull request #8 from chamankang/use_node_attributes

Use node attributes to get quantum options
Update default private IP patch