saga_api, quadtree: performance tuning (speed up for simple nearest point search)
saga_api, projection: proj4 to wkt, utm translation bug
saga_api, parameter grid target: command line fix, refers to http://sourceforge.net/p/saga-gis/bugs/157/
io_grid, esri ascii format: bug fix, refers to http://sourceforge.net/p/saga-gis/bugs/163/