Warn on awesomebot fails

Dangerfile

@@ -26,11 +26,12 @@ end
 
 # Check syntax
 if has_readme_changes
+ awesome_bot temp.md --allow-redirect --allow-ssl
  require 'json'
  syntaxresults = File.read 'syntaxcheck.json'
  sj = JSON.parse syntaxresults
  if sj['error']==true
-  fail sj['title']
+  warn sj['title']
   markdown sj['message']
  end
 end