Bump version to 0.6.2

Bump version to 0.6.1

Bump version to 0.6.0

Default attribute for http_proxy and documentation in README

Use newly available docker PPA distributions, tested Ubuntu 13.04 sup…

…port

Added link to Docker website in description

Set test kitchen box URL to 11.4.4, run docker_test::image_lwrp inste…

…ad of default

Initial release