release 0.3.0

Author: wbolster

README.rst

@@ -350,8 +350,8 @@ while `melpa stable`__ only contains tagged (released) versions.
 __ https://melpa.org/
 __ https://stable.melpa.org/
 
-0.3.0 (no tagged release yet)
------------------------------
+0.3.0 (2018–03-07)
+------------------
 
 * repopulate the popup with the previously used values
   when running ``python-pytest-popup`` from an output buffer.