updated consoleapp project.json

Author: ajaybhargavb

samples/ConsoleApp/project.json

@@ -1,9 +1,13 @@
 {
   "dependencies": {
-    "System.Console": "4.0.0.0"
+    
   },
   "frameworks": {
     "aspnet50": {},
-    "aspnetcore50": {}
+    "aspnetcore50": {
+	"dependencies": {
+                "System.Console": "4.0.0-*"
+            }
+}
   }
 }