New dataset for NEMO (temporary fix)

sources/NEMO.h

@@ -7,6 +7,7 @@ class NEMOData: public LayeredDataZ
  {
   TYPE_UNKNOWN,
   TYPE_DT,
+  TYPE_DT1,
   TYPE_NRT,
   TYPE_NRT6,
   TYPE_BALTICDT,
@@ -34,6 +35,7 @@ class NEMOData: public LayeredDataZ
   switch(type)
   {
   case(TYPE_DT): return "NEMO Delayed time, daily mean (DT)";
+  case(TYPE_DT1): return "NEMO Delayed time, daily mean, part 2 (DT1)";
   case(TYPE_NRT): return "NEMO Near-real time, daily mean (NRT)";
   case(TYPE_NRT6): return "NEMO Near-real time, 6h resolution (NRT6)";
   case(TYPE_BALTICDT): return "NEMO Delayed time, Baltic region, daily mean (BALTICDT)";
@@ -59,6 +61,8 @@ class NEMOData: public LayeredDataZ
   GPL.UsePrefix("NEMO");
   if(dataset == "DT")
    type = TYPE_DT;
+  else if(dataset == "DT1")
+   type = TYPE_DT1;
   else if(dataset == "NRT")
    type = TYPE_NRT;
   else if(dataset == "NRT6")