Report the versions of dependent software.

def versions_information(include_salt_cloud=False):
    '''
    Report the versions of dependent software.
    '''
    salt_info = list(salt_information())
    lib_info = list(dependency_information(include_salt_cloud))
    sys_info = list(system_information())

    return {'Salt Version': dict(salt_info),
            'Dependency Versions': dict(lib_info),
            'System Versions': dict(sys_info)}