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
ERT-747: Added test.assertRaises(IOError)
ERT-747: Added test for assertClosed()
ERT-747: Final check of create_region before removal
ERT-747: Added function to find (i,j) from (x,y)
ERT-747: Function to return corner nearest (x,y)
ERT-747: Added more testing
ERT-747: Regions: WIP
ERT-747: Added new (failing) ecl_grid_test