Merge branch 'blr' into develop

Addition of hashtable load and save. Caching of auth information

server/include/dbusers.h

@@ -65,4 +65,6 @@ extern int add_mysql_users_with_host_ipv4(USERS *users, char *user, char *host,
 extern USERS *mysql_users_alloc();
 extern char *mysql_users_fetch(USERS *users, MYSQL_USER_HOST *key);
 extern int replace_mysql_users(SERVICE *service);
+extern int dbusers_save(USERS *, char *);
+extern int dbusers_load(USERS *, char *);
 #endif

server/include/hashtable.h

@@ -112,6 +112,14 @@ void hashtable_get_stats(
         int*  hashsize,
         int*  nelems,
         int*  longest);
+extern int		hashtable_save(HASHTABLE *,
+					char *,
+					int (*keywrite)(int, void*),
+					int (*valuewrite)(int, void*));
+extern int		hashtable_load(HASHTABLE *,
+					char *,
+					void *(*keyread)(int),
+					void *(*valueread)(int));
 
 extern HASHITERATOR	*hashtable_iterator(HASHTABLE *);
 				/**< Allocate an iterator on the hashtable */