Bugfix: Issue 2743, allow users to remove ssh from admin settings

Review Request #3758 — Created Feb. 2, 2013 and submitted — Latest diff uploaded

Information

Review Board
master

Reviewers

Bugfix: Issue 2743, allow users to remove ssh from admin settings
Both manually and unit test passed, includes:
* Creating a key from scratch still works
* Deleting works

Manually tested: 
* Clicking Save when there's a key, doesn't trigger any event