Adds and fixes, again :)

Fixed:
AppGrid:
![appgrid](https://cloud.githubusercontent.com/assets/5674757/3006366/f9e7a8a2-de23-11e3-84d5-fba479ffd389.png)

Firewall config:
![firewall-config](https://cloud.githubusercontent.com/assets/5674757/3005927/ee9e8042-ddfb-11e3-93f4-9e2fc6230e65.png)

Added:

Acetone ISO:
![acetino2](https://cloud.githubusercontent.com/assets/5674757/3006322/d787feb0-de1e-11e3-8a77-ea05093835ca.png)

Ekiga (closes #751):
![ekiga](https://cloud.githubusercontent.com/assets/5674757/3006367/07ebb65a-de24-11e3-9802-be099a62080f.png)

Furious ISO mount (closes #739):
![furiusisomount](https://cloud.githubusercontent.com/assets/5674757/3006465/44cefb28-de2d-11e3-8209-0ddd52d54f6f.png)

Plex home theatre (closes #748)
![plexhometheatre](https://cloud.githubusercontent.com/assets/5674757/3007395/b4c24ca0-de82-11e3-9c04-8dbd9250715d.png)

Pragha (closes #746):
![pragha](https://cloud.githubusercontent.com/assets/5674757/3006427/602d90fe-de29-11e3-93df-53e59669bdf1.png)