Icon of Addons Memory Usage - Button

Addons Memory Usage - Button 1.2 Requires Restart

by intika

Add toolbar button for about-addons-memory-pm

But not only, also provide shortcuts for :

- Free Memory (needs free memory button)
- Abouts list page (about:about)
- Plugins page (about:plugins)

github.com/intika/about-addons-memory-pm