Revise release process and notes.

 - Use twine.
 - Add test PyPI into the mix.
 - More use of Makefile for automation (there was already stuff in there from the cookiecutter template I wasn't using).

Fixes #73.

Makefile

@@ -59,11 +59,18 @@ docs:
 	$(MAKE) -C docs html
 	open docs/_build/html/index.html
 
-release: clean
-	python setup.py sdist upload
-	python setup.py bdist_wheel upload
-
 dist: clean
-	python setup.py sdist
-	python setup.py bdist_wheel
+	python setup.py sdist bdist_egg bdist_wheel
 	ls -l dist
+
+release-test: dist
+	twine upload -r test dist/*
+	echo "Review https://testpypi.python.org/pypi/planemo"
+
+release:
+	@while [ -z "$$CONTINUE" ]; do \
+		read -r -p "Have you executed release-test and reviewed results? [y/N]: " CONTINUE; \
+	done ; \
+	[ $$CONTINUE = "y" ] || [ $$CONTINUE = "Y" ] || (echo "Exiting."; exit 1;)
+	@echo "Releasing"
+	twine upload dist/*

dev-requirements.txt

@@ -10,3 +10,4 @@ flake8
 
 # For release
 wheel
+twine

docs/developing.rst

@@ -10,21 +10,38 @@ Release Checklist
 This release checklist is based on the `Pocoo Release Management Workflow
 <http://www.pocoo.org/internal/release-management/>`_.
 
+This assumes ``~/.pypirc`` file exists with the following fields (variations)
+are fine.
+
+```
+[distutils]
+index-servers =
+    pypi
+    test
+
+[pypi]
+username:<username>
+password:<password>
+
+[test]
+repository:https://testpypi.python.org/pypi
+username:<username>
+password:<password>
+```
+
  * Review ``git status`` for missing files.
  * Verify the latest Travis CI builds pass.
- * ``make lint && make test``
- * Update version info in ``planemo/__init__.py`` (drop ``-dev`` suffix).
+ * ``make clean && make lint && make test``
+ * Update version info in ``planemo/__init__.py`` (drop ``.dev0`` suffix).
  * Update release date and description in ``HISTORY.rst``.
  * ``make docs`` and review changelog.
  * ``git commit``
- * ``python2.7 setup.py bdist_wheel bdist_egg sdist upload``
- * ``python2.6 setup.py bdist_egg upload`` (TODO)
- * Check PyPI release page for obvious errors (https://pypi.python.org/pypi/planemo)
+ * ``make release-test``
+ * Review `Test PyPI <https://testpypi.python.org/pypi/planemo>`_ for errors (install with ``pip install -i https://testpypi.python.org/pypi planemo``).
+ * ``make release``
  * ``git tag <release>``
- * Update version info in ``planemo/__init__.py`` (n+1-dev).
+ * Update version info in ``planemo/__init__.py`` (n+1.dev0).
  * ``git commit``
  * ``git push origin``
  * ``git push --tags origin``
  * Update planemo homebrew recipe to new version.
-
-This requires ``~/.pypirc`` file.