[code-quality] [ANN] Pylint 1.3.1 / Astroid 1.2.1 released

Hello! I'm happy to announce that Pylint 1.3.1 and Astroid 1.2.1 were released. These releases include some bugfixes with the new string formatting checker and a couple of crash fixes. Please note that Pylint 1.3.X is the last version of Pylint which supports Python 2.5 and 2.6. Enjoy!