complete test coverage
add content of --instance-data file to announce call
Merge remote-tracking branch 'origin/review_140617_fix_smt_registration_and_status_call' into review_140617_add_parameter_for_extra_payload_for_cloud_smt_registration

Conflicts:
	lib/suse/connect/cli.rb
	spec/connect/cli_spec.rb
test for instance data in payload