TCLTKGRASS 4.0: NEW SCRIPTS TO SUPPORT NEW MENU FUNCTIONS

d.3d.views (only changed name due to problem in tcl with file beginning with numeral)
d.monsize (fixed it to work correctly)
d.siter (added attribute type names to sliders)
d.out.png (save current display to *.png file)
d.out.tiff (save current display to *.tif file)
d.sites.icons (display sites as icons)
s.sv2svfit (compute semivariogram from sites file and fit to model)