13.3 allowpriv: related to SELinux operations

Allow privileges to administrate SELinux.

1. relabel
   Allow to relabel all files. You must also allow getsecurity and allowpriv search.
2. part_relabel
   Allow to relabel files that the domain can write. You must also allow getsecurity.
3. setfscreate
   This is necessary only applications that use SELinux API(setfscreatecon).
4. getsecurity
   Allow to get security policy decisions, by accessing /selinux.
5. setenforce
   Allow to toggle enforcing/permissive mode.
6. load_policy
   Allow to load policy to kernel.
7. setsecparam
   Change performance parameter of SELinux via /selinux/avc
8. getsecattr
   Get security information(such as domain, stored in /proc/pid/attr) of other processes.