[bug 1013527] Fixes allignment alignment issue of arrow icon in AOA repl...

![after](https://cloud.githubusercontent.com/assets/1151263/3032191/99fa0ac4-e054-11e3-9614-477e19dcfbb9.png)
![before](https://cloud.githubusercontent.com/assets/1151263/3032190/99995d3c-e054-11e3-8e01-3a7fe4e6ab46.png)