Issue 7444: Updating from 1.12 to 2.0 causes the Start Button to be displayed incorrectly
Issue 7489: Updating from 1.12 to 2.0 causes the Start Button to be removed from the toolbar
Avoid NPE
Merge branch 'master' of github.com:firebug/firebug
[firebug-2.0b8]
Merge branch 'master' of github.com:firebug/firebug
[firebug-2.0]
Merge remote-tracking branch 'origin/master' into issue7491
Issue 7491: make sure only normal breakpoints are removed