Added print statement.

services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/WLDirectoryNodeSnapshot.java

@@ -34,6 +34,7 @@ public class WLDirectoryNodeSnapshot implements CandidateSnapshot {
         jsonObject.addProperty("latestVerId", previousVersionID);
         jsonObject.add("files", getFilesAsJson());
         jsonObject.addProperty("postbackUrl", projectURL + "/postback");
+        System.out.println(jsonObject);
         return jsonObject;
     }