Performance improvements for Dash

[Alberto Salvia Novella]

Apurv Jyotirmay:
> Among various things with Unity desktop, one thing I noticed was that
> whenever I will launch the dash, the system fans will go up and if there is
> any video playing in the background of dash, then it will start to freeze.

Please open a bug report about that!

(https://help.ubuntu.com/community/ReportingBugs#Reporting_non-crash_hardware_and_desktop_application_bugs)