Update README.md to use fixed date

Relative dates are not that precise, so instead of 3 years ago
set it the last release date to July 2011.

Author: hashar

Diff for: README.md

@@ -33,7 +33,7 @@ A distribution package can be obtained for manual installation at:
 [![Build Status](https://travis-ci.org/gitpython-developers/GitPython.svg?branch=0.3)](https://travis-ci.org/gitpython-developers/GitPython)
 [![Coverage Status](https://coveralls.io/repos/gitpython-developers/GitPython/badge.png)](https://coveralls.io/r/gitpython-developers/GitPython)
 
-The project was idle for 2 years, the last release was made about 3 years ago. Reason for this might have been the project's dependency on me as sole active maintainer, which is an issue in itself.
+The project was idle for 2 years, the last release (v0.3.2 RC1) was made on July 2011. Reason for this might have been the project's dependency on me as sole active maintainer, which is an issue in itself.
 
 Now I am back and fully dedicated to pushing [OSS](https://github.com/Byron/bcore) forward in the realm of [digital content creation](http://gooseberry.blender.org/), and git-python will see some of my time as well. Therefore it will be moving forward, slowly but steadily.