* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Add new lines to end of config file lines
* Properly write out selinux config file
Change module behavior to not always report a change but warn if a reboot is needed and return reboot_required.
Improve the output messages.
Add strip parameter to get_file_lines utility to help with parsing the selinux config file.
* Add return documentation
* Add integration tests for selinux module
* Use consistent capitalization for SELinux
* Use atomic_move in selinux module
* Don't copy the config file initially
There's no need to make a copy just for reading.
* Put message after set_config_policy in case the change fails
* Add aliases to selinux tests
