Merge branch 'release/4.4.0' into develop
Add CHANGELOG generation during module build.

Update the .gemfile to source gems from https://rubygems.org to fix a
Travis/bundler warning.
Update the Modulefile summary and description.
Minor changes to the README.md to clarify what the module is and does
and sync with the Modulefile description.
Update versions for 4.4.1 release.
Merge branch 'release/4.4.1'