Make sure you all have installed the unity package version 7.2.2+14.04.20140714-0ubuntu1.1 (use "apt-cache policy unity" to check), and you've restarted your session.
Make sure you all have installed the unity package version 04.20140714- 0ubuntu1. 1 (use "apt-cache policy unity" to
7.2.2+14.
check), and you've restarted your session.