Increased stable version to 3.1.1

README.rst

@@ -5,8 +5,8 @@
    :target: http://pythonhosted.org/bob.bio.base/index.html
 .. image:: http://img.shields.io/badge/docs-latest-orange.svg
    :target: https://www.idiap.ch/software/bob/docs/latest/bioidiap/bob.bio.base/master/index.html
-.. image:: https://gitlab.idiap.ch/bob/bob.bio.base/badges/master/build.svg
-   :target: https://gitlab.idiap.ch/bob/bob.bio.base/commits/master
+.. image:: https://gitlab.idiap.ch/bob/bob.bio.base/badges/v3.1.1/build.svg
+   :target: https://gitlab.idiap.ch/bob/bob.bio.base/commits/v3.1.1
 .. image:: https://img.shields.io/badge/gitlab-project-0000c0.svg
    :target: https://gitlab.idiap.ch/bob/bob.bio.base
 .. image:: http://img.shields.io/pypi/v/bob.bio.base.svg

version.txt

-3.1.1b0
\ No newline at end of file
+3.1.1
\ No newline at end of file