Updates port mappings for new docker v0.6.5+ changes.
Add support for new port syntax in create_container.
Switch to dev version of docker-py.
Add version property on Host.
Adds host_interface to Application.
Allows user to specify advanced port and host interface bindings.
Merge remote-tracking branch 'upstream/master'
Merge pull request #99 from jeffbaier/master

Docker 0.6.5+ port spec changes