Version 1.1pre4 released.

• Added the “AutoConnect” option which will let tinc automatically select which nodes to connect to.
• Improved performance of VLAN-tagged IP traffic inside the VPN.
• Ensured LocalDiscovery works with multiple BindToAddress statements and/or IPv6-only LANs.
• Dropped dependency on libevent.
• Fixed Windows version not reading packets from the TAP adapter.