ERT-815: Updated basecclass.__eq__()
ERT-815: Added installAbortsignals() to ExtendedTestCase
ERT-815: Size protection vector_<T>_select_unique
ERT-815: Added missing header
ERT-815: Renamed test_ecl_grid -> test_ecl_grid_statoil
ERT-815: Added new test class for Grid
ERT-815: Changed ValueError -> IOError in xyz_io
ERT-815: Added small getName() function to EclKW
ERT-815: Changed argument filename -> fileH in EclKW
ERT-815: Added missing function definition
ERT-815: Added <T>_vector_insert test
ERT-815: Added function for approximate comparison of double_vector
ERT-815: Added method EclGrid.loadFromFile(filename)

The method EclGrid.loadFromFile(filename) will inspect the filename
argument and load a grid either from a binary EGRID file or from a ASCII
.grdecl file.
ERT-815: Added geo_polygon_shift() function
ERT-815: Added geo_polygon_is_instance()
ERT-815: Added function geo_polygon_close()
ERT-747: Added cell_list argument to function
ERT-747: Implemented __add__ for polyline objects.
ERT-747: Added GeometryTools.extendToEdge()
ERT-747: Added ray polyline intersection test