added RedHat agent spec tests

refactored the test cases and fixed indentation as well
fix wrong distroname in test context
added RedHat spec tests for puppet::master
added RedHat tests for puppet::storeconfigs
Adding rspec-system-puppet/serverspec
Whitespace cleanup
Merge branch 'rspec-system-puppet' of https://github.com/pall-valmundsson/puppetlabs-puppet into pall-valmundsson-rspec-system-puppet
Fix external method for running puppet
Up version and add changelog
Updated changelog with missed change