Update the FTAG PHYSVAL code.

This is the code update to the FTAG PHYSVAL code, introducing a large set of new variables and features (related to my QT https://its.cern.ch/jira/browse/AFT-473).

Also related to this issue: https://its.cern.ch/jira/browse/AFT-497.

Event/xAOD/xAODBTagging/Root/xAODBTaggingAuxVariableInit.cxx

@@ -24,6 +24,10 @@ AUX_VAR( DL1r_pb );
 AUX_VAR( DL1r_pc );
 AUX_VAR( DL1r_pu );
 
+AUX_VAR( DL1rnn_pb );
+AUX_VAR( DL1rnn_pc );
+AUX_VAR( DL1rnn_pu );
+
 AUX_VAR( MV2c00_discriminant );
 AUX_VAR( MV2c10_discriminant );
 AUX_VAR( MV2c20_discriminant );