Merge pull request #288 from vzctl/master

Add open timeout for the ruby driver

drivers/ruby/wappalyzer.rb

@@ -14,7 +14,7 @@ class Wappalyzer
 
   def analyze(url)
     uri, body, headers = URI(url), nil, {}
-    Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
+    Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https', :open_timeout => 5) do |http|
       resp = http.get(uri.request_uri)
       resp.canonical_each{|k,v| headers[k] = v}
       body = resp.body.encode('UTF-8', :invalid => :replace, :undef => :replace)