[GRASS5] v.out.ascii / v.in.ascii

[Radim Blazek]

WARNING: v.in.ascii and v.out.ascii were changed:

1) New option 'format' specifies if ascii file is 'standard' or 'point'.
2) The modules can read/write both format form file (input=path to file) 
or stdin/stdout.
3) coordinates order was changed to X Y [Z] except 'v.out.ascii -o' for 
standard format.
4) 'v.out.ascii -o' writes to dig_ascii/

Radim