Update Modulefile source to use https.
Deal with sites that purge /etc/yum.repos.d/.

Provide file resources of the expected YUM repo config files so that
sites which forcefully purge /etc/yum.repos.d will be happy.
Switch from get_param to verify_contents in rspec.

Travis is mad about get_param and I seem to have switched to using
verify_contents in other modules, so lets convert!  Fixes failures in
[build 13](https://travis-ci.org/razorsedge/puppet-hp_mcp/builds/25999184).
Fix rspec tests for yumrepo gpgkey.
Allow tracking of metadata.json.
Switch to using metadata.json vs Modulefile.