Create categories option after the scan profile is loaded

https://bugzilla.redhat.com/show_bug.cgi?id=1114063
Refactor call_scan and add tests

https://bugzilla.redhat.com/show_bug.cgi?id=1114063
Refactor coding style

https://bugzilla.redhat.com/show_bug.cgi?id=1114063
Merge pull request #111 from bzwei/customer_profile

Add profiles to categories option when a customer profile is included