replace Makefile with Rakefile

this is taken from our composer-project and was assembled with the kind
help of the peopele from #ruby-lang
add semantics for making tests possible at all

This uses puppetlabs_spec_helper/module_spec_helper and fixtures.
So far we've not added any tests. This is an upcomming challenge.
master divereges from latest tag, bump version

Even though this isn't really a release-worthy state, master at this
point divereges from the latest tag, so we bump the version before
pushing it out into the world.