Ban crawlers.

public/robots.txt

@@ -1,5 +1,5 @@
 # See http://www.robotstxt.org/wc/norobots.html for documentation on how to use the robots.txt file
 #
 # To ban all spiders from the entire site uncomment the next two lines:
-# User-Agent: *
-# Disallow: /
+User-Agent: *
+Disallow: /