Added exmaple file

examples/wells_example.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <opm/core/eclipse/EclipseGridParser.hpp>
+#include <opm/core/utility/parameters/ParameterGroup.hpp>
+#include <opm/core/WellsManager.hpp>
+#include <opm/core/GridManager.hpp>
+
+#include "opm/core/newwells.h"
+
+int main(int argc, char** argv) {
+
+    using namespace Opm::parameter;
+    using namespace Opm;
+    ParameterGroup parameters( argc, argv, false );
+    std::string file_name = parameters.getDefault<std::string>("inputdeck", "data.data");
+    
+    // Read input file
+    EclipseGridParser parser(file_name);
+    std::cout << "Done!" << std::endl;
+    // Setup grid
+    GridManager grid(parser);
+    
+    // Finally handle the wells
+    WellsManager wells(parser, *grid.c_grid(), NULL);
+    
+    return 0;
+}
+