Updating Docker support for version >= 0.6.5.

Turns out Docker 0.6.5 changes the way ports were mapped.
This adds the necessary bits to support the new way that
ports are specified and then the way that bindings are
extracted.

This is an extension of RR-100.

Change-Id: Ibc326fc76f8dc582ebf6425f54d37dac914cfdb1
Remove unused files (trivial).

Change-Id: Ib3159020befb2988ccbf263f9d1f2a8890a17471
Merge "Updating Docker support for version >= 0.6.5."
Merge "Remove unused files (trivial)."