Reset appveyor back to VS2015 CTP5
Reset appveyor back to VS2015 CTP5

Heather/fsharp,rojepp/FSharp.Compiler.Service,BillHally/FSharp.Compiler.Service,dsyme/FSharp.Compiler.Service,syeerzy/visualfsharp,matthid/FSharp.Compiler.Service,0x53A/FSharp.Compiler.Service,rojepp/FSharp.Compiler.Service,0x53A/FSharp.Compiler.Service,Jand42/FSharp.Compiler.Service,forki/FSharp.Compiler.Service,ncave/FSharp.Compiler.Service,syeerzy/visualfsharp,eloraiby/fsharp,dsyme/FSharp.Compiler.Service,dsyme/fsharp,ncave/FSharp.Compiler.Service,rneatherway/FSharp.Compiler.Service,rneatherway/FSharp.Compiler.Service,BillHally/FSharp.Compiler.Service,In2TheWild/fsharp,Jand42/FSharp.Compiler.Service,cloudRoutine/FSharp.Compiler.Service,brettfo/visualfsharp,dsyme/fsharp,0x53A/FSharp.Compiler.Service,dsyme/fsharp,Jand42/FSharp.Compiler.Service,syeerzy/visualfsharp,In2TheWild/fsharp,alfonsogarciacaro/FSharp.Compiler.Service,cloudRoutine/FSharp.Compiler.Service,syeerzy/visualfsharp,wk-j/fsharp,forki/FSharp.Compiler.Service,syeerzy/visualfsharp,dsyme/fsharp,dsyme/fsharp,brettfo/visualfsharp,brettfo/visualfsharp,fsharp/fsharp,fsharp/fsharp,brettfo/visualfsharp,yever/FSharp.Compiler.Service,forki/FSharp.Compiler.Service,matthid/FSharp.Compiler.Service,alfonsogarciacaro/FSharp.Compiler.Service,brettfo/visualfsharp,dsyme/fsharp,fsharp/fsharp,Heather/fsharp,sergey-tihon/FSharp.Compiler.Service,vasily-kirichenko/FSharp.Compiler.Service,matthid/FSharp.Compiler.Service,mafiya69/fsharp,ncave/FSharp.Compiler.Service,wk-j/fsharp,vasily-kirichenko/FSharp.Compiler.Service,dsyme/fsharp,sergey-tihon/FSharp.Compiler.Service,cloudRoutine/FSharp.Compiler.Service,eloraiby/fsharp,syeerzy/visualfsharp,dsyme/FSharp.Compiler.Service,brettfo/visualfsharp,yever/FSharp.Compiler.Service,mafiya69/fsharp,rojepp/FSharp.Compiler.Service,alfonsogarciacaro/FSharp.Compiler.Service,vasily-kirichenko/FSharp.Compiler.Service,sergey-tihon/FSharp.Compiler.Service