Fixes geerlingguy#33: Fix source build install failure on Ubuntu 16.04.

PR geerlingguy#25 follow-up: Just a few stylistic tweaks.

Bump minimum Ansible version requirement.

Merge pull request geerlingguy#15 from janderson2/fix-check-mode

Enable run in 'Check Mode'

Add Fedora support.

Fix Ansible 2.x deprecation warnings.

Final fix for Travis tests - leave out CentOS for source test right now.

Fixes geerlingguy#6: Has a dependency on running apt-get update.

Merge pull request geerlingguy#5 from opdavies/install-gcc-centos6

Install gcc package on RHEL and Debian.

Update GIT_VERSION in tests to match Travis environment.