fsharp/FSharp.Data#473 AppVeyor support
removed build.cmd pause
don't force NuGet target to depend on the Build target
changed build order for appveyor
run BuildVersion before Clean on AppVeyor
added env var FREEBASE_API_KEY
Merge pull request #486 from ovatsus/master

Test fixes for mono
Merge pull request #488 from ovatsus/master

Add a simple retry to freebase queries
Merge pull request #489 from ovatsus/master

More test fixes for http
Merge pull request #491 from ovatsus/master

Revert previous tentative fix for mono, it didn't work
Another try
Update HttpIntegrationTests.fs
Update HttpIntegrationTests.fs
Update Http.fs
Update FreebaseProvider.fs
Update FreebaseProvider.fs
Update HttpIntegrationTests.fs
Update Freebase.fsx
Update Freebase.fsx
Update FreebaseProvider.fs