Fixes #6867 - Show system katello-agent installed
Fixes #6971 - method_option not needed

calls to method_option is not needed
Fixes #6987 - set unlimited_content_hosts

creation of host-collections with the --max-content-hosts flag also
sets the unlimited_content_host flag.
Merge pull request #216 from dustint-rh/fix_repository_info_id

Fixes #6971 - method_option takes 1 arg
Fixes #7030 - validates AK max_content_hosts

validates that integer is being passed for max_content_host in
ActivationKey command
Merge pull request #219 from dustint-rh/validate_ak_max_content_hosts

Fixes #7030 - validates AK max_content_hosts
Merge pull request #217 from dustint-rh/hc_set_unlimited

Fixes #6987 - set unlimited_content_hosts
Merge pull request #211 from daviddavis/temp/20140731151456

Fixes #6867 - Show system katello-agent installed
fixes #7093 - properly remove sync-plan from a product, BZ 1121136