Upstream release of 0.10.0
    
    - agent: add qemuAgentArbitraryCommand() for general qemu agent command
    - Introduce virDomainPinEmulator and virDomainGetEmulatorPinInfo functions
    - network: use firewalld instead of iptables, when available
    - network: make network driver vlan-aware
    - esx: Implement network driver
    - driver for parallels hypervisor
    - Various LXC improvements
    - Add virDomainGetHostname
    - a lot of bug fixes, improvements and portability work