beremiz

SVGHMI: Add an exslt function to collect used widget types, in order to only include necessary JS definitions in furure changes.
<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot URI_location="LOCAL://">
<TargetType/>
<Libraries Enable_SVGUI_Library="true" Enable_Python_Library="true"/>
</BeremizRoot>