Icon for Rubyripper. Fixes #1002

Icon for Rubyripper. Issue #1002 

The pushed icon:
![rubyripper](https://cloud.githubusercontent.com/assets/7050624/5423527/be589302-82c2-11e4-8003-2e7bfcb77460.png)

Alternative icon:
![rubyripper4](https://cloud.githubusercontent.com/assets/7050624/5423528/c81b67c0-82c2-11e4-8ff9-747509254d7e.png)