[Review] Request from 'vlewin' @ 'SUSE/connect/review_140617__cnt_forward_hardware_details_to_scc_suse_com_x86_x86_64_only_'

Please review the following changes:
  * 71141a3 clean up and rubocop warning fixes
  * 20778ce fix hwinfo tests
  * 516e971 use system hostname method
  * 0d244a2 use SUSE::Toolkit::Hwinfo module
  * 4e251a2 test SUSE::Toolkit::Hwinfo module
  * e4c842e introduce SUSE::Toolkit::Hwinfo module
  * 727dcb2 add lscpu fixtures
  * b984555 add hwinfo test and clean up
  * 4ba2e08 add hwinfo parameter to API announce call