added FlatList to Collections.Experimental
Merge pull request #216 from jackfoxy/master

Collections.Experimental.FlatList
XRM provider new release

data binding, option sets, formatted values, individuals, CRUD, explicit
joins, relationship work, and more!
Merge pull request #219 from pezipink/master

XRM provider new release
Merge branch 'master' of github.com:fsharp/fsharpx
Include experimental collections from .NET 3.5 build