Make the "select all" unchecked when unchecking other checkboxes.

#6199 

This PR makes the "select all" checkbox unchecked if one other option is unchecked.

Output:
![selection_229](https://cloud.githubusercontent.com/assets/4497748/3183686/0c7190de-ec73-11e3-8181-9fef7cc1c795.png)