Removed local cdi.h copy

Use development version from included libcdi by default (refs #492)

src/normal.c

-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 
 void nospec(int vlistID)

src/percentiles.c

@@ -19,7 +19,7 @@
 #include <stdlib.h>
 #include <math.h>
 
-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 #include "cdo_int.h"
 #include "nth_element.h"

src/pipe.c

@@ -24,7 +24,7 @@
 #include <string.h>
 #include "pipe.h"
 #include "pstream_int.h"
-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 #include "error.h"
 #include "dmemory.h"

src/pstream.c

@@ -32,7 +32,7 @@
 FILE *popen(const char *command, const char *type);
 int pclose(FILE *stream);
 
-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 #include "cdo_int.h"
 #include "dtypes.h"

src/remaplib.c

@@ -62,7 +62,7 @@
 #include <math.h>
 #include <time.h>
 
-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 #include "cdo_int.h"
 #include "grid.h"

src/specspace.c

@@ -3,7 +3,7 @@
 #include <string.h>
 
 #include "cdo.h"
-#include "cdi.h"
+#include <cdi.h>
 #ifndef _DMEMORY_H
 #  include "dmemory.h"
 #endif

src/table.c

@@ -20,7 +20,7 @@
 #include <string.h>
 #include <ctype.h>
 
-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 #include "error.h"
 

src/zaxis.c

@@ -20,7 +20,7 @@
 #include <string.h>
 #include <ctype.h>
 
-#include "cdi.h"
+#include <cdi.h>
 #include "cdo.h"
 #include "cdo_int.h"
 #include "error.h"