Issue 4001 (Part 1): Split Start Button and error badge
Issue 4001 (Part 2): Added tooltip for error badge
Issue 4001 (Part 3): Allowed clicking the error badge to jump to the
Console panel
Fixed Start Button and error badge display (related to issue 4001)
Avoid Start Button disappearing from toolbar (related to issue 4001)
Issue 4001 (Part 1): Split Start Button and error badge
Fixed translation of Firebug Start Button (related to issue 4001)
Merge branch 'issue4001'