3.0.1-grizzly Release

What's fixed and added:
- Defect: Default route is not permanent for controller node
- Defect: rsyslog looses a lot of OpenStack logging messages
- Defect: OVS GRE tunnels break if one of the nodes reboots
- Defect : dhcp agent's (qr-*), provider router's (qg-* ,tap-*) interfaces are down after quantum network node reboot
- Defect: SELinux not disabled on nodes
- Defect: Can't create a Cinder volume from a Glance image
- Defect: When adding a user to multiple projects in Horizon only the first project is accessible
- Added: Ability to configure vlan segmentation type in config.yaml