fix installation of readability to support https on pypi

Author: mylokin

distribute_setup.py

@@ -47,7 +47,7 @@ def quote(arg):
         return os.spawnl(os.P_WAIT, sys.executable, *args) == 0
 
 DEFAULT_VERSION = "0.6.10"
-DEFAULT_URL = "http://pypi.python.org/packages/source/d/distribute/"
+DEFAULT_URL = "https://pypi.python.org/packages/source/d/distribute/"
 SETUPTOOLS_FAKED_VERSION = "0.6c11"
 
 SETUPTOOLS_PKG_INFO = """\