use dev15.5 for CI builds
use dev15.5 for CI builds

dsyme/fsharp,dsyme/fsharp,Jand42/FSharp.Compiler.Service,ncave/FSharp.Compiler.Service,dsyme/fsharp,syeerzy/visualfsharp,dsyme/FSharp.Compiler.Service,brettfo/visualfsharp,dsyme/FSharp.Compiler.Service,cloudRoutine/FSharp.Compiler.Service,dsyme/FSharp.Compiler.Service,Jand42/FSharp.Compiler.Service,brettfo/visualfsharp,ncave/FSharp.Compiler.Service,dsyme/fsharp,brettfo/visualfsharp,syeerzy/visualfsharp,brettfo/visualfsharp,Jand42/FSharp.Compiler.Service,syeerzy/visualfsharp,fsharp/fsharp,ncave/FSharp.Compiler.Service,syeerzy/visualfsharp,dsyme/fsharp,fsharp/fsharp,dsyme/fsharp,fsharp/fsharp,cloudRoutine/FSharp.Compiler.Service,brettfo/visualfsharp,brettfo/visualfsharp,dsyme/fsharp,cloudRoutine/FSharp.Compiler.Service,syeerzy/visualfsharp,syeerzy/visualfsharp