package up DNX in the tar.gz

includes a smoke test for verifying that the output can be used to build
also includes a checked-in CoreCLR in order to work around CoreCLR issue

test/compile/failing/SimpleCompilerError/Program.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace TestApp
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            this will not compile!
+        }
+    }
+}

test/compile/failing/SimpleCompilerError/project.json

@@ -0,0 +1,16 @@
+{
+    "version": "1.0.0-*",
+    "compilationOptions": {
+        "emitEntryPoint": true
+    },
+
+    "dependencies": {
+        "Microsoft.NETCore.ConsoleHost": "1.0.0-*",
+        "Microsoft.NETCore.Runtime": "1.0.1-*",
+        "System.Console": "4.0.0-beta-23109"
+    },
+
+    "frameworks": {
+        "dnxcore50": { }
+    }
+}