* YANG Features

* Yang 1.1 feature and if-feature according to RFC 7950 7.20.1 and 7.20.2.
  * See https://github.com/clicon/clixon/issues/41
  * Features are declared via CLICON_FEATURE in the configuration file.
  * logical combination of features not implemented, eg if-feature "not foo or
* Identity without any identityref:s caused SEGV

test/test_event.sh

@@ -131,4 +131,4 @@ if [ -n "$pid" ]; then
     sudo kill $pid
 fi
 
-#rm -rf $dir
+rm -rf $dir