GRASS 5.1 -> GRASS 5.7
Following the roadmap
http://grass.itc.it/roadmap.html
I have made the (relevant) changes in CVS to rename
GRASS 5.1 to GRASS 5.7. Hopefully I caught all files.
The code compiles and works. To launch GRASS 5.7, run
grass57
after compilation.
File names I left unchanges (e.g. grass51refman.dox)
so far. Maybe we should generally avoid version numbers
in file names in future whenever possible.
Cheers
Markus