Merge pull request #11 from rafal-krypa/samsung

Samsung
Finalized cipso API.

Aligned cipso API with accesses API so that they have same style.
Added documenation comments for cipso API.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Added function smack_label_from_path()

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Added follow parameter to smack_new_label_from_path()

Added follow parameter to smack_new_label_from_path() so that it
is useful for coreutils commands.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Use xattr.h from libc, not from libattr.

This fixes include in libsmack.c introduced in commit f409c17.