Katello/katello — pull request #4167 by tomas-kasparek (2014-05-28 13:08:41+00:00)
Title: BZ 1101586 activation_keys.update should update only present parameters

activation_keys.update API call also updates not present parameters
like usage_limit due to call of int_limit method which is needed
when creating activation key but not when updating it => filter out
items not present in API call params from activation_key_params