It's easier than expected to build the F# compiler on windows.
Merge pull request #182 from forki/fsharp_31

It's easier than expected to build the F# compiler on windows.
Include fix for printf regression in open edition
use virtual directories in compiler project files
remove FSharp.Compiler.Silverlight.fsproj from default solution
remore use of relative links for resources
remove use of relative links for resources (part 2)
updates to tests/fsharp/core to allow execution of most tests as a single all.exe, for use on Linux/OSX/Mono/Android/iOS
enable most of tests/fsharp/core/... for single-file cross-platform testing
enable most of tests/fsharp/core/... for single-file cross-platform testing (minor tweak)
dcoument Linux test process
Fix duplicate reference to System.Numerics introduced in the merge of 3.1
Merge pull request #191 from ovatsus/fsharp_31

Fix duplicate reference to System.Numerics introduced in the merge of 3.1
fix +x permission on run-all.sh
fix textual mistake in tests
Merge branch 'fsharp_31' of https://github.com/fsharp/fsharp into fsharp_31
Update README.md
Update README.md
Update README.md
test fixes for running tests on Windows