Fix build generation of long description.

setup.py

@@ -4,15 +4,7 @@ import os
 version = '0.2'
 
 long_description = (
-    open('README.txt').read()
-    + '\n' +
-    'Contributors\n'
-    '============\n'
-    + '\n' +
-    open('CONTRIBUTORS.txt').read()
-    + '\n' +
-    open('CHANGES.txt').read()
-    + '\n')
+    open('README.txt').read())
 
 setup(name='hs.admin.play',
       version=version,