fix saga shapes to grid

Author: Giovanni Manghi

python/plugins/processing/algs/saga/description/2.1.3/ShapestoGrid.txt

@@ -1,11 +1,15 @@
 Shapes to Grid
 grid_gridding
-Hardcoded|-TARGET 0
 ParameterVector|INPUT|Shapes|-1|False
 ParameterTableField|FIELD|Attribute|INPUT|-1|False
+ParameterSelection|OUTPUT|Output Values|[0] data / no-data;[1] index number; [2] attribute
 ParameterSelection|MULTIPLE|Method for Multiple Values|[0] first;[1] last;[2] minimum;[3] maximum;[4] mean
 ParameterSelection|LINE_TYPE|Method for Lines|[0] thin;[1] thick
+ParameterSelection|POLY_TYPE|Polygon|[0] node;[1] cell
 ParameterSelection|GRID_TYPE|Preferred Target Grid Type|[0] Integer (1 byte);[1] Integer (2 byte);[2] Integer (4 byte);[3] Floating Point (4 byte);[4] Floating Point (8 byte)
+ParameterSelection|TARGET_DEFINITION|Target Grid System|[0] user defined;[1] grid or grid system
 Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
-ParameterNumber|USER_SIZE|Cellsize|None|None|100.0
-OutputRaster|USER_GRID|Grid
+ParameterNumber|TARGET_USER_SIZE|Cellsize|None|None|100.0
+ParameterSelection|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
+OutputRaster|TARGET_OUT_GRID|Target Grid
+OutputRaster|TARGET_COUNT|Number of Values