issue 6824: Randomly get "Unresponsive Script Warning" with CommandEditor.html
issue 7273: Switching back to the Command Editor doesn't restore the cursor position
Issue 6589: Firebug steals the focus on page load (improvements)
FBTest: Don't require reload after the Console panel has been enabled
When pressing CTRL-SHIFT-L, ensure that the whole text is selected
Select the whole text when displaying Command Line Popup
Get rid of `with (BrowserOverlayLib)`