Distributions are once again installed as zipped eggs by default.

--HG--
branch : Setuptools-Distribute merge
extra : source : f3b1c801d877734669007ad4f5d8cee091a6c767

MERGE.txt

@@ -23,3 +23,8 @@ Major Changes
 -------------
 
 * The _distribute property of the setuptools module has been removed.
+* Distributions are once again installed as zipped eggs by default, per the
+  rationale given in `the seminal bug report
+  <http://bugs.python.org/setuptools/issue33>`_ indicates that the feature
+  should remain and no substantial justification was given in the `Distribute
+  report <https://bitbucket.org/tarek/distribute/issue/19/>`_.

setuptools/command/easy_install.py

@@ -704,7 +704,7 @@ Please make the appropriate changes for your system and try again.
             return True
         if not dist.has_metadata('zip-safe'):
             return True
-        return True
+        return False
 
     def maybe_move(self, spec, dist_filename, setup_base):
         dst = os.path.join(self.build_directory, spec.key)