Merge pull request #285 from matthew-brett/update-release-instructions

MRG: update release instructions for wheels

RELEASING.txt

@@ -53,20 +53,27 @@ Releasing
   $ git push
   $ git push --tags
 
-Uploading
----------
+Build wheels
+------------
 
-- Upload it in the PyPi repository:
+Matthew Brett has a repository for building for hosting wheels at
+http://github.com/MacPython/numexpr-wheels).  For the procedure to trigger and
+upload the built wheels, see the README at that repo.
 
-  $ python setup.py sdist upload
+Build and upload the wheels before uploading the source distribution, to make
+sure that people who do not have compilers do not get breakage while the
+release is being uploaded.
 
-Build wheels
-------------
+Any problems, feel free to ask @matthew-brett for help - or indeed, pass the
+whole task to him.
+
+Uploading the source distribution
+---------------------------------
 
-Matthew Brett has a nice wheels repository for hosting wheels at
-http://wheels.scipy.org/).  For triggering a build do:
+- Upload it in the PyPi repository:
+
+  $ python setup.py sdist upload
 
-  $ git commit --allow-empty -m"Triggering a build for X.Y.Z release"
 
 Announcing
 ----------