Version bump to 3.0.4, CHANGELOG, announcement

doc/en/announce/index.rst

@@ -6,6 +6,7 @@ Release announcements
    :maxdepth: 2
 
    
+   release-3.0.4
    release-3.0.3
    release-3.0.2
    release-3.0.1

doc/en/announce/release-3.0.4.rst

@@ -0,0 +1,29 @@
+pytest-3.0.4
+============
+
+pytest 3.0.4 has just been released to PyPI.
+
+This release fixes some regressions and bugs reported in the last version, 
+being a drop-in replacement. To upgrade::
+
+  pip install --upgrade pytest
+  
+The changelog is available at http://doc.pytest.org/en/latest/changelog.html.
+
+Thanks to all who contributed to this release, among them:
+
+* Bruno Oliveira
+* Dan Wandschneider
+* Florian Bruhin
+* Georgy Dyuldin
+* Grigorii Eremeev
+* Jason R. Coombs
+* Manuel Jacob
+* Mathieu Clabaut
+* Michael Seifert
+* Nikolaus Rath
+* Ronny Pfannschmidt
+* Tom V
+
+Happy testing,
+The pytest Development Team