Merge pull request #559 from buildout/master

Fix setuptools url and curl wants --location to follow redirects

ez_setup.py

@@ -33,7 +33,7 @@ except ImportError:
 
 LATEST = object()
 DEFAULT_VERSION = LATEST
-DEFAULT_URL = "https://pypi.python.org/packages/source/s/setuptools/"
+DEFAULT_URL = "https://pypi.io/packages/source/s/setuptools/"
 DEFAULT_SAVE_DIR = os.curdir
 
 
@@ -253,7 +253,7 @@ download_file_powershell.viable = has_powershell
 
 
 def download_file_curl(url, target):
-    cmd = ['curl', url, '--silent', '--output', target]
+    cmd = ['curl', url, '--location', '--silent', '--output', target]
     _clean_check(cmd, target)