Fixes #4798 - Subscriptions and system groups for activation keys
ak-sysgroups - subs add/remove workingak-sysgroups - sysgroup add/remove working
ak-sysgroups - made quantity optional
ak-sysgroups - rubocop clean
Added by Thomas McKay about 10 years ago
Fixes #4798 - Subscriptions and system groups for activation keys
ak-sysgroups - subs add/remove working
ak-sysgroups - sysgroup add/remove working
ak-sysgroups - made quantity optional
ak-sysgroups - rubocop clean