Fix missing .nuget\packages.config reference in sln
Fix missing .nuget\packages.config reference in sln

dsuess/winsparkle,drizt/winsparkle,nickdademo/winsparkle,dsuess/winsparkle,artillery/winsparkle,Herve-M/winsparkle,Herve-M/winsparkle,artillery/winsparkle,bristol-instruments/winsparkle,nickdademo/winsparkle,bristol-instruments/winsparkle,drizt/winsparkle