Refactor some yang related stuff

I'm going to put similar stuff in there.

Change-Id: I655d74f01fac1a4286aa81eef3f3522521830933
diff --git a/src/ast_commands.hpp b/src/ast_commands.hpp
index 4235af5..c4f9f48 100644
--- a/src/ast_commands.hpp
+++ b/src/ast_commands.hpp
@@ -11,7 +11,7 @@
 #include <boost/spirit/home/x3/support/ast/position_tagged.hpp>
 #include "ast_path.hpp"
 #include "ast_values.hpp"
-#include "yang_move.hpp"
+#include "yang_operations.hpp"
 
 namespace x3 = boost::spirit::x3;