Upgrade to done-ssr pre

Author: matthewp

package.json

@@ -31,7 +31,7 @@
   },
   "homepage": "https://github.com/donejs/done-ssr-middleware#readme",
   "dependencies": {
-    "done-ssr": "^2.0.0"
+    "done-ssr": "^3.0.0-pre.0"
   },
   "devDependencies": {
     "can-component": "^4.0.0",