added apparmor tests
added apparmor tests

added apparmor tests to check:
* the apparmor required packages are installed
* the custom apparmor profiles are present
* that apparmor is enabled
* that aa-status is detecting the expected processes to be present
* that no profiles are in complain mode
** this requires the ansible role `aa-complain` is skipped in the stagging environment
* that no processes are in an unconfined mode but have a profile present

ageis/securedrop,micahflee/securedrop,chadmiller/securedrop,chadmiller/securedrop,ehartsuyker/securedrop,jaseg/securedrop,jaseg/securedrop,jrosco/securedrop,micahflee/securedrop,jrosco/securedrop,pwplus/securedrop,micahflee/securedrop,pwplus/securedrop,jeann2013/securedrop,chadmiller/securedrop,garrettr/securedrop,kelcecil/securedrop,conorsch/securedrop,chadmiller/securedrop,jaseg/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,jaseg/securedrop,conorsch/securedrop,heartsucker/securedrop,garrettr/securedrop,jaseg/securedrop,chadmiller/securedrop,jrosco/securedrop,pwplus/securedrop,ehartsuyker/securedrop,ageis/securedrop,jeann2013/securedrop,ageis/securedrop,heartsucker/securedrop,conorsch/securedrop,kelcecil/securedrop,ehartsuyker/securedrop,garrettr/securedrop,kelcecil/securedrop,jaseg/securedrop,pwplus/securedrop,heartsucker/securedrop,pwplus/securedrop,heartsucker/securedrop,jrosco/securedrop,ehartsuyker/securedrop,chadmiller/securedrop,kelcecil/securedrop,jrosco/securedrop,micahflee/securedrop,kelcecil/securedrop,conorsch/securedrop,jeann2013/securedrop,heartsucker/securedrop,garrettr/securedrop,kelcecil/securedrop,jeann2013/securedrop,jeann2013/securedrop,conorsch/securedrop,pwplus/securedrop,ageis/securedrop,jrosco/securedrop,jeann2013/securedrop