Updated the Readme file for the BCL solution
Updated the Readme file for the BCL solution

NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,genexliu/NativeScript,hdeshev/NativeScript,genexliu/NativeScript,genexliu/NativeScript,NativeScript/NativeScript,hdeshev/NativeScript,NativeScript/NativeScript,hdeshev/NativeScript