Fixing alignment for invited party members

In my [past change](https://github.com/HabitRPG/habitrpg/commit/41de8014a07eeb3420b4e9dcb8e8eecc8d0e9526) I forgot to add the same code to the invite table, so this commit fixes that. Before and after images:

![image](https://cloud.githubusercontent.com/assets/629982/4754400/aaf360f8-5abd-11e4-8d67-3f781e73113f.png)

![image](https://cloud.githubusercontent.com/assets/629982/4754393/a21a4d2a-5abd-11e4-8597-a8892c105e5b.png)