Add dev sln
Add dev sln

jeffkl/msbuild,cdmihai/msbuild,rainersigwald/msbuild,jeffkl/msbuild,jeffkl/msbuild,Microsoft/msbuild,mono/msbuild,chipitsine/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,mono/msbuild,chipitsine/msbuild,rainersigwald/msbuild,rainersigwald/msbuild,chipitsine/msbuild,rainersigwald/msbuild,Microsoft/msbuild,cdmihai/msbuild,AndyGerlicher/msbuild,mono/msbuild,AndyGerlicher/msbuild,Microsoft/msbuild,jeffkl/msbuild,mono/msbuild,chipitsine/msbuild,AndyGerlicher/msbuild,cdmihai/msbuild,cdmihai/msbuild,AndyGerlicher/msbuild,Microsoft/msbuild,sean-gilliam/msbuild