integrity: audit update

Based on discussions on linux-audit, as per Steve Grubb's request
http://lkml.org/lkml/2009/2/6/269, the following changes were made:
- forced audit result to be either 0 or 1.
- made template names const
- Added new stand-alone message type: AUDIT_INTEGRITY_RULE

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: Steve Grubb <sgrubb@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

security/integrity/ima/ima_api.c

@@ -15,7 +15,7 @@
 #include <linux/module.h>
 
 #include "ima.h"
-static char *IMA_TEMPLATE_NAME = "ima";
+static const char *IMA_TEMPLATE_NAME = "ima";
 
 /*
  * ima_store_template - store ima template measurements