Descent 0.5.5 released

[Trass3r]

Ary Borenszweig schrieb:
> For this release Robert Fraser made an excelent addition: when compiling 
> programs using an external tool such as dsss, rebuild, dmd, gdc, ldc, 
> gdmd or bud, there are now links to the files in the console output for 
> warnings and errors. I think this one was pretty requested. So say 
> thanks to him! :-)
> 

FINALLY! Yeeeeha. Many thanks to Robert!