data tree CHANGE lyd_attr -> lyd_meta

Also generic tree structures prepared.
diff --git a/tools/lint/main_ni.c b/tools/lint/main_ni.c
index 99e7ce2..bd52fc7 100644
--- a/tools/lint/main_ni.c
+++ b/tools/lint/main_ni.c
@@ -519,8 +519,8 @@
                 options_parser |= LYD_OPT_GET;
             } else if (!strcmp(optarg, "getconfig")) {
                 options_parser |= LYD_OPT_GETCONFIG;
-            } else if (!strcmp(optarg, "edit")) {
-                options_parser |= LYD_OPT_EDIT;
+            /*} else if (!strcmp(optarg, "edit")) {
+                options_parser |= LYD_OPT_EDIT;*/
             } else if (!strcmp(optarg, "data")) {
                 /* no options */
             } else {