5 Numix'd Icons and a Symlink

They're not all as pretty as anyone would probaby would like. A symlink, and five replacing icons
 
![dvd](https://cloud.githubusercontent.com/assets/5920259/2574288/e68d0172-b92e-11e3-8051-5450aa387ad6.png)
![exten](https://cloud.githubusercontent.com/assets/5920259/2574289/e68d0fbe-b92e-11e3-9344-54fe8eff2bd5.png)
![f](https://cloud.githubusercontent.com/assets/5920259/2574290/e6a0a150-b92e-11e3-80f1-8f5b396ce899.png)
![gnum](https://cloud.githubusercontent.com/assets/5920259/2574291/e6a1dfac-b92e-11e3-920c-162e8beed66c.png)
![window](https://cloud.githubusercontent.com/assets/5920259/2574305/14c6b092-b92f-11e3-811f-77efc50e4299.png)