- Upgrade to latest from NSA
    Removed processing of system.users from sepol_genusers and dropped delusers
        logic.
    Removed policydb_destroy from error path of policydb_read, since
        create/init/destroy/free of policydb is handled by the caller now.
    Fixed sepol_module_package_read to handle a failed policydb_read properly.
    Merged query/exists and count patches from Ivan Gyurdiev.
    Merged fix for pruned types in expand code from Joshua Brindle.
    Merged new module package format code from Joshua Brindle.