Imported Healpix, cfitsio, cosmotool. Added cmake tool to build dependencies (cfitsio, hdf5, netcdf, boost, healpix, gsl, ..). Adjusted CMakeLists.txt

external/cosmotool/sample/testReadFlash.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "loadFlash.hpp"
+
+using namespace CosmoTool;
+using namespace std;
+
+int main () {
+ 
+  const char* filename = "lss_read_hdf5_chk_0000";
+ 
+  SimuData* data = CosmoTool::loadFlashMulti(filename, 0, 0);
+
+  return 0;
+}