Prepare pytest-flakes 3.0.0.

Author: fschulze

README.rst

@@ -121,7 +121,7 @@ and Holger Krekel's pytest-pep8.
 Changes
 =======
 
-3.0.0 - Unreleased
+3.0.0 - 2018-05-16
 ------------------
 
 - Drop support for Python 3.3. It still works so far, but isn't tested anymore.

setup.py

@@ -5,7 +5,7 @@
     description='pytest plugin to check source code with pyflakes',
     long_description=open("README.rst").read(),
     license="MIT license",
-    version='3.0.0.dev0',
+    version='3.0.0',
     author='Florian Schulze, Holger Krekel and Ronny Pfannschmidt',
     author_email='florian.schulze@gmx.net',
     url='https://github.com/fschulze/pytest-flakes',