Removed test files and added AssemblyInfo.cs from crypto
Added test suite for .NET 45 target
Fixed exception
Added a better error message when resources not found
Updated Microsoft.Bcl.Async
Added methods for redirecting console output
Doesn't run tests for portable
Fixed TestCreationECDSA
Updated BCL NuGet packages and removed tests not yet passing
Wrapped calls to file system in some helper methods to make it easier to keep same code across plastforms
Corrected some issues with disposing streams
Added in the last few tests for .NET 45
Added IOS test project, all the test data, and a few of the unit tests. Conditionally removed static Main methods on tests if compiling for mobile, which treats them as entry points.
Update iOS test project