Merge pull request #107 from ovatsus/master

Documentation fixes
Adding shell script to update docs
Merge pull request #109 from ovatsus/master

Update urls in NuGet package
Merge remote-tracking branch 'fsharp/master'
Update NuGet package and change back to net40
Merge pull request #111 from tpetricek/master

Update NuGet and change FSharp.Data back to .NET 4.0