Added exmaple file

opm/core/WellsManager.hpp

@@ -20,7 +20,7 @@
 #ifndef OPM_WELLSMANAGER_HEADER_INCLUDED
 #define OPM_WELLSMANAGER_HEADER_INCLUDED
 
-
+#include <boost/property_tree/ptree.hpp>
 
 struct Wells;
 struct UnstructuredGrid;
@@ -63,6 +63,8 @@ namespace Opm
 	WellsManager& operator=(const WellsManager& other);
 	// The managed Wells.
 	Wells* w_;
+
+        boost::property_tree groups_;
     };
 
 } // namespace Opm

opm/core/newwells.h

@@ -25,7 +25,7 @@ extern "C" {
 #endif
 
 enum well_type         { INJECTOR, PRODUCER };
-enum control_type      { BHP     , RATE, GRUP     };
+enum control_type      { BHP     , RATE     };
 enum surface_component { WATER = 0, OIL = 1, GAS = 2 };