* Add new facts module for determining whether the module is running inside a container or not.
* Add containers to main network.
* Fix running tests locally with newer docker.
* Simplify setup_openssl to only install cryptography.
* Add alias in network.
* Make sure to upgrade cryptography to something more sensible on Ubuntu 16.04.
* Don't jump through hoops for bridge.
* Try to use other IPv4 nets.
* Improve module docs.