reactiveui/ReactiveUI — pull request #138 by xpaulbettsx (2012-12-13 20:30:24+00:00)
Title: Add awaiter for all platforms

Rx's native await support only works for .NET 4.5, since they don't know about the BCL Async Pack. This PR copy-pastes Rx's await support for every platform that the BCL Async Pack supports (which is all of the platforms RxUI uses).