added more logging when an error is passed to next, specifically useful for debugging csrf stuff

services/web/app.coffee

@@ -14,7 +14,7 @@ argv = require("optimist")
 	.argv
 
 Server.app.use (error, req, res, next) ->
-	logger.error err: error
+	logger.error err: error, url:req.url, method:req.method, user:req?.sesson?.user, "error passed to top level next middlewear"
 	res.statusCode = error.status or 500
 	if res.statusCode == 500
 		res.end("Oops, something went wrong with your request, sorry. If this continues, please contact us at team@sharelatex.com")