Hugin icons (hugin & ptbatcher)

Both icons for issue https://github.com/numixproject/numix-icon-theme-circle/issues/987.

![icons](https://cloud.githubusercontent.com/assets/8478202/5020459/d993a0e6-6ac9-11e4-8c36-02cfa33fec29.png)
![icons](https://cloud.githubusercontent.com/assets/8478202/5020467/ec2d1afc-6ac9-11e4-9bae-8639c0439e0d.png)