Merge pull request #211 from ovatsus/master

Mono support
Merge pull request #213 from ovatsus/master

Fix compatibility with F# 3.1 for portable version
Fixing some typos in te Freebase sample
Automatically restore packages during the build
Fixing some typos in the CSV sample
Fixing some typos in the Http sample
Fixing some typos in the JsonValue sample
Fixing some typos in the JsonProvider sample
Fixing some typos in the XmlProvider sample
Fixing some typos in the WorldBank sample
Merge pull request #216 from forki/master

Fixing some typos in the samples and add automatically Nuget package restore to the build
Update readme to note that the sample .fsx from the docs are in the Tests.sln
Remove the explicit NuGet package restore from build.fsx, it is done as part of the build step
Improve expressions debug output