addin :timeout for the requests as an option

Author: Peter Schrammel

README.rdoc

@@ -35,6 +35,7 @@ revers_proxy_options set global options for all reverse proxies. Available optio
   * :username username for basic auth
   * :password password for basic auth
   * :matching is a global only option, if set to :first the first matched url will be requested (no ambigous error). Default: :all.
+  * :timeout seconds to timout the requests
 == Note on Patches/Pull Requests
 
 * Fork the project.

lib/rack/reverse_proxy.rb

@@ -28,6 +28,7 @@ def call(env)
 			session = Net::HTTP.new(uri.host, uri.port)
 			session.use_ssl = (uri.scheme == 'https')
 			session.verify_mode = OpenSSL::SSL::VERIFY_NONE
+			session.read_timeout=all_opts[:timeout] if all_opts[:timeout]
 			session.start { |http|
         m = rackreq.request_method
         case m