Consolidation with CDI-PIO (develop)

Generally, this is !11 (merged) rebased onto the develop branch.

This is the first develop-based version accepted by the Buildbot of ICON: https://buildbot.dkrz.de/grid?branch=m300488/cdi-pio-2-integration

src/vlist.h

@@ -9,6 +9,7 @@
 #include "error.h"
 #endif
 
+#include <stdbool.h>
 #include <stddef.h> /* size_t */
 
 #ifndef CDI_LIMITS_H
@@ -46,6 +47,7 @@ typedef struct
 {
   bool isUsed;
   bool flag;
+  bool lvalidrange;
   short xyz; /* order of spatial dimensions,
               * a permutation of 123 */
   int mvarID;
@@ -62,7 +64,6 @@ typedef struct
   int timave;
   int nsb;           // Number of significant bits
   bool missvalused;  // true if missval is defined
-  bool lvalidrange;
   double missval;
   double validrange[2];
   levinfo_t *levinfo;