added CHANGELOG and using .rst for README

Author: nicoddemus

CHANGELOG.rst

@@ -0,0 +1,8 @@
+===================
+pytest-qt changelog
+===================
+
+0.3
+---
+
+First usable version.

README.md

@@ -0,0 +1,11 @@
+pytest-qt
+=========
+
+pytest_ plugin that adds fixtures for testing PyQt_ and PySide_ applications.
+
+Documentation available at `Read the Docs`_.
+
+.. _pytest: http://pytest.org
+.. _`Read the Docs`: https://pytest-qt.readthedocs.org 
+.. _PySide: https://pypi.python.org/pypi/PySide
+.. _PyQt: http://www.riverbankcomputing.com/software/pyqt