Make cookbook backwards compatible with Ruby 1.X

Switch from `variable: value` to `:variable => value` to make the cookbook
compatible with Ruby 1.X.
Allow testing without a version
Allow hash rockets
Merge branch 'nshenry03-workWithOldRuby'
Make cookbook backwards compatible with Ruby 1.X

Switch from `variable: value` to `:variable => value` to make the cookbook
compatible with Ruby 1.X.
Allow hash rockets
Merge branch 'nshenry03-workWithOldRuby'
Allow rescue modifier
Merge branch 'mal-version-tweak'

Conflicts:
	.rubocop.yml
Update changelog
Expose final paths
Add example usage of R/O attributes