Revert "Removing the TextOutputStreamable typealias..."

Author: gparker42

Sources/Basic/SwiftShims.swift

@@ -0,0 +1,11 @@
+/*
+ This source file is part of the Swift.org open source project
+
+ Copyright 2016 Apple Inc. and the Swift project authors
+ Licensed under Apache License v2.0 with Runtime Library Exception
+
+ See http://swift.org/LICENSE.txt for license information
+ See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+*/
+
+public typealias TextOutputStreamable = Streamable