[docs] Link to existing contributors page.

README.md

@@ -100,17 +100,7 @@ ntwitter also supports user and site streams:
 
 ## Contributors
 
-- [AvianFlu](http://github.com/AvianFlu) - Upgrades and current support
-- [Jeff Waugh](http://github.com/jdub) (primary author)
-- [rick](http://github.com/technoweenie) (parser.js and, of course, twitter-node!)
-- [Cole Gillespie](http://github.com/coleGillespie) (additional documentation)
-- [Tim Cameron Ryan](http://github.com/timcameronryan)
-- [Jonathan Griggs](https://github.com/boatmeme)
-- [pwagener](https://github.com/pwagener)
-- [fatshotty](https://github.com/fatshotty)
-- [Ian Babrou](https://github.com/bobrik)
-
-If you contribute and would like to see your name here, please add it with your changes!
+[Lots of people contribute to this project.  You should too!](https://github.com/AvianFlu/ntwitter/contributors)
 
 ## TODO