reverted changes to FAKE config, teamcity still can't find msbuild
reverted changes to FAKE config, teamcity still can't find msbuild

bryanedds/FSharpx.Extras,fsprojects/FSharpx.Extras,bryanedds/FSharpx.Extras,fsprojects/FSharpx.Extras,sideeffffect/FSharpx.Extras,sideeffffect/FSharpx.Extras,bryanedds/FSharpx.Extras