3.0-grizzly release

Deployment Improvements:
- Support for OpenStack Grizzly
- Deployment of CentOS 6.4
- Add new nodes without redeployment
- Swift installation occurs in a single pass instead of multiple passes
- Users may now choose where to store Cinder volumes

Network configuration enhancements:
- Partition networks across multiple network interface cards
- Mapping of logical networks to physical interfaces
- Define multiple IP ranges for public and floating networks
- Security improvements
- Support for NIC bonding
- Improved firewall module