Removing dependency on Docker/licontainer fork

This ships code which removes the dependency on licontainer fork.
Added TX queue length as an option to VethPair creation
Added txlength option into veth tests
TX len validation.
Updated README
More README.
MOdified README more
Retarded typos fixed. There is probably more of them
Merge pull request #6 from milosgajdos83/docker-libcontainer

Docker libcontainer