cpp_headers: Rename ds2413 header .h -> .hpp

Renamed header file, updated header filename in interface files,
sources, and CmakeLists file.

Signed-off-by: Noel Eck <noel.eck@intel.com>

examples/c++/ds2413.cxx

@@ -25,7 +25,7 @@
 #include <unistd.h>
 #include <iostream>
 #include <stdio.h>
-#include "ds2413.h"
+#include "ds2413.hpp"
 
 using namespace std;
 using namespace upm;