Revert "Increased stable version to 2.1.1"

This reverts commit 68c4fbb0.

README.rst

 .. vim: set fileencoding=utf-8 :
 .. Sun 14 Aug 2016 18:25:23 CEST
 
-.. image:: http://img.shields.io/badge/docs-v2.1.1-yellow.svg
-   :target: https://www.idiap.ch/software/bob/docs/bob/bob.io.video/v2.1.1/index.html
+.. image:: http://img.shields.io/badge/docs-stable-yellow.svg
+   :target: https://www.idiap.ch/software/bob/docs/bob/bob.io.video/stable/index.html
 .. image:: http://img.shields.io/badge/docs-latest-orange.svg
    :target: https://www.idiap.ch/software/bob/docs/bob/bob.io.video/master/index.html
-.. image:: https://gitlab.idiap.ch/bob/bob.io.video/badges/v2.1.1/build.svg
-   :target: https://gitlab.idiap.ch/bob/bob.io.video/commits/v2.1.1
-.. image:: https://gitlab.idiap.ch/bob/bob.io.video/badges/v2.1.1/coverage.svg
-   :target: https://gitlab.idiap.ch/bob/bob.io.video/commits/v2.1.1
+.. image:: https://gitlab.idiap.ch/bob/bob.io.video/badges/master/build.svg
+   :target: https://gitlab.idiap.ch/bob/bob.io.video/commits/master
+.. image:: https://gitlab.idiap.ch/bob/bob.io.video/badges/master/coverage.svg
+   :target: https://gitlab.idiap.ch/bob/bob.io.video/commits/master
 .. image:: https://img.shields.io/badge/gitlab-project-0000c0.svg
    :target: https://gitlab.idiap.ch/bob/bob.io.video
 .. image:: http://img.shields.io/pypi/v/bob.io.video.svg
@@ -45,4 +45,4 @@ development `mailing list`_.
 .. Place your references here:
 .. _bob: https://www.idiap.ch/software/bob
 .. _installation: https://www.idiap.ch/software/bob/install
-.. _mailing list: https://www.idiap.ch/software/bob/discuss
+.. _mailing list: https://www.idiap.ch/software/bob/discuss
\ No newline at end of file

version.txt

-2.1.1
\ No newline at end of file
+2.1.2b0
\ No newline at end of file