bring picture back to README

Author: tony

README.rst

@@ -6,15 +6,11 @@
 .. image:: https://badge.fury.io/py/tmuxp.png
     :target: http://badge.fury.io/py/tmuxp
 
-<div style="float: right">
-
 .. image:: https://raw.github.com/tony/tmuxp/master/doc/_static/tmuxp-dev-screenshot.png
     :scale: 100%
-    :width: 35%
+    :width: 45%
     :align: center
 
-</div>
-
 tmuxp, a novel approach to manage `tmux(1)`_ (>= 1.8) workspaces through
 `python objects`_.