beremiz

Add special nodes at HMI Tree root, fix code to handle special node (no path).
svghmi
2019-08-20, Edouard Tisserant
282500e03dbc
Add special nodes at HMI Tree root, fix code to handle special node (no path).
<?xml version="1.0" encoding="UTF-8"?>
<BeremizRoot URI_location="LOCAL://">
<TargetType/>
</BeremizRoot>