[bug 1013471] Fix for Accidental deletion of profiles

Added a checkbox which needs to checked to activate the "Close Account and delete all my profile information"

With checkbox unchecked 
![screenshot from 2014-11-14 16 06 14](https://cloud.githubusercontent.com/assets/1151263/5044593/5ebdaeac-6c18-11e4-90f8-755b6caf6e1d.png)


Checkbox checked ( Delete Buttons becomes active )
![screenshot from 2014-11-14 16 06 20](https://cloud.githubusercontent.com/assets/1151263/5044608/9550472c-6c18-11e4-849e-01d19af08d64.png)