Changed the top level source folder to have the name of the root package in the VisualD generator.
Changed the top level source folder to have the name of the root package in the VisualD generator.

schuetzm/dub,p0nce/dub,Abscissa/dub,jeanbaptistelab/dub,xentec/dub,Abscissa/dub-data-mod,nazriel/dub,Geod24/dub,alexeibs/dub,dreamsxin/dub,gedaiu/dub,jelmansouri/dub,Flamaros/dub,grogancolin/dub,D-Programming-Language/dub,y12uc231/dub,rjframe/dub,MartinNowak/dub