Merge pull request #450 from microsoft/fix/cake-version

Fix Cake assembly loading issue

Author: MatkovIvan

tools/packages.config

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="Cake" version="0.34.1" />
+    <package id="Cake" version="0.37.0" />
 </packages>