Pin to .NET SDK preview2

roji · roji · commit d61b4e875f28 · 2016-11-20T12:08:30.000+02:00
To keep using project.json for now (cherry picked from commit c87c91d)
diff --git a/global.json b/global.json
@@ -1,3 +1,6 @@
 {
-    "projects": [ "src", "test" ]
+    "projects": [ "src", "test" ],
+    "sdk": {
+        "version": "1.0.0-preview2-003131"
+    }
 }
