Descent 0.5.1 released

[Robert Fraser]

Sergey Gromov wrote:
> Ary Borenszweig <ary at esperanto.org.ar> wrote:
>> (but maybe you didn't change the version to 2.x in D -> Compiler, or in 
>> the project settings?)
> 
> Oops !  My bad.  Though it wasn't obvious.  I thought that choosing a 
> compiler in Installed Compilers should adjust for the version 
> automatically.
> 
> It still doesn't support enum constants.  ;)
> 

Yup, the D2 port is from 2.003 or something.