ensure proper ordering of our classes
refactor stunnel::install

install redhat-lsb on RedHat systems (issue #4)
move lsb logic into data class where it belongs

- fixed a bug that prevented proper setup/installation on debian/ubuntu
  systems
update spec tests for lsb

add debian spec tests as well
make use of puppetlabs_spec_helper for running spec tests
Merge branch 'issues/4_redhat_lsb'