Implemented fixes and improvements during comissioning

- New Balancing mode
- HMI Interface for Inverterdata implemented
- Adjusted GVL_CONFIG values
- Read inverter data even when inverter is off
- Added OPC UA settings to inverter data hmi interface
- Added multisettings to safety project for strings

PLC/PLC.plcproj

@@ -161,11 +161,6 @@
       <SubType>Content</SubType>
     </None>
   </ItemGroup>
-  <ItemGroup>
-    <PlaceholderResolution Include="BaseLib">
-      <Resolution>BaseLib, * (cmblu)</Resolution>
-    </PlaceholderResolution>
-  </ItemGroup>
   <ProjectExtensions>
     <PlcProjectOptions>
       <XmlArchive>