add hwinfo parameter to API announce call
add hwinfo test and clean up
add lscpu fixtures
introduce SUSE::Toolkit::Hwinfo module
test SUSE::Toolkit::Hwinfo module
use SUSE::Toolkit::Hwinfo module
use system hostname method
fix hwinfo tests
clean up and rubocop warning fixes
move lscpu stub to top of the test case
Merge pull request #117 from SUSE/review_140617__cnt_forward_hardware_details_to_scc_suse_com_x86_x86_64_only_

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