fix CUR::Installation on windows by using forward slashes
fix CUR::Installation on windows by using forward slashes

Since we are comparing paths of distribution provided by META.info files
to actual files on disk, we have to normalize both from potential backslashes
to forward slashes. Now we can also (re)bootstrap panda on windows.

cygx/rakudo,tony-o/rakudo,lucasbuchala/rakudo,laben/rakudo,paultcochrane/rakudo,rakudo/rakudo,cognominal/rakudo,niner/rakudo,softmoth/rakudo,Leont/rakudo,dankogai/rakudo,ugexe/rakudo,nunorc/rakudo,salortiz/rakudo,labster/rakudo,tbrowder/rakudo,rakudo/rakudo,jonathanstowe/rakudo,nbrown/rakudo,sjn/rakudo,lucasbuchala/rakudo,azawawi/rakudo,usev6/rakudo,tony-o/rakudo,zhuomingliang/rakudo,paultcochrane/rakudo,raydiak/rakudo,azawawi/rakudo,tony-o/deb-rakudodaily,skids/rakudo,tony-o/deb-rakudodaily,skids/rakudo,b2gills/rakudo,sjn/rakudo,samcv/rakudo,sjn/rakudo,LLFourn/rakudo,ugexe/rakudo,cygx/rakudo,paultcochrane/rakudo,Leont/rakudo,sergot/rakudo,samcv/rakudo,nbrown/rakudo,Gnouc/rakudo,azawawi/rakudo,b2gills/rakudo,jonathanstowe/rakudo,jonathanstowe/rakudo,tony-o/rakudo,LLFourn/rakudo,ungrim97/rakudo,rakudo/rakudo,MasterDuke17/rakudo,ungrim97/rakudo,zostay/rakudo,sjn/rakudo,sergot/rakudo,LLFourn/rakudo,cognominal/rakudo,MasterDuke17/rakudo,sergot/rakudo,nbrown/rakudo,niner/rakudo,tbrowder/rakudo,rakudo/rakudo,tony-o/deb-rakudodaily,tony-o/deb-rakudodaily,zostay/rakudo,softmoth/rakudo,skids/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,cognominal/rakudo,ab5tract/rakudo,nunorc/rakudo,usev6/rakudo,laben/rakudo,Leont/rakudo,salortiz/rakudo,samcv/rakudo,awwaiid/rakudo,awwaiid/rakudo,jonathanstowe/rakudo,ugexe/rakudo,ugexe/rakudo,ungrim97/rakudo,salortiz/rakudo,labster/rakudo,softmoth/rakudo,labster/rakudo,b2gills/rakudo,salortiz/rakudo,ab5tract/rakudo,raydiak/rakudo,zostay/rakudo,b2gills/rakudo,paultcochrane/rakudo,Gnouc/rakudo,softmoth/rakudo,ab5tract/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,azawawi/rakudo,azawawi/rakudo,niner/rakudo,labster/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily,salortiz/rakudo,MasterDuke17/rakudo,samcv/rakudo,usev6/rakudo,lucasbuchala/rakudo,tony-o/deb-rakudodaily,cygx/rakudo,rakudo/rakudo,LLFourn/rakudo,labster/rakudo,ungrim97/rakudo,zhuomingliang/rakudo,usev6/rakudo,labster/rakudo,tony-o/rakudo,nunorc/rakudo,Gnouc/rakudo,zhuomingliang/rakudo,dankogai/rakudo,b2gills/rakudo,ab5tract/rakudo,dankogai/rakudo,nbrown/rakudo,sjn/rakudo,dankogai/rakudo,LLFourn/rakudo,samcv/rakudo,tony-o/rakudo,ugexe/rakudo,raydiak/rakudo,ab5tract/rakudo,salortiz/rakudo,laben/rakudo,ungrim97/rakudo,niner/rakudo,awwaiid/rakudo,softmoth/rakudo,raydiak/rakudo,lucasbuchala/rakudo,usev6/rakudo,cognominal/rakudo,Gnouc/rakudo,dankogai/rakudo,laben/rakudo,tbrowder/rakudo,zostay/rakudo,cognominal/rakudo,awwaiid/rakudo,zhuomingliang/rakudo,Gnouc/rakudo,tony-o/rakudo,nbrown/rakudo,rakudo/rakudo,tony-o/deb-rakudodaily,MasterDuke17/rakudo,cygx/rakudo,awwaiid/rakudo,Leont/rakudo,paultcochrane/rakudo,cygx/rakudo,tbrowder/rakudo,skids/rakudo,nunorc/rakudo,nbrown/rakudo,MasterDuke17/rakudo,sergot/rakudo,skids/rakudo