using org_label instead of org_name with subscription-manager register cmd
Test to associate custom and RH contents with activation-key

Updated test stub 'test_end_to_end_activation_key' to accomodate a new scenario
Added data as part of ddt to test checksum_type creation.
Merge pull request #1661 from sghai/ak-test

Test to associate custom and RH contents with activation-key
Merge pull request #1657 from kbidarkar/api-checksum-tests

Added data as part of ddt to test checksum_type creation.
Merge pull request #1654 from sghai/char-encoding

unicode encoding issue