Issue 6489: Named function regex in FirebugReps.Func.summarizeFunction() requires curly brace on same line

http://code.google.com/p/fbug/issues/detail?id=6489
FBTest for Issue 6481: Show closures don´t work
Merge branch 'master' of github.com:firebug/firebug
Issue 6493: Problem with the character 'n'
Merge branch 'master' of github.com:firebug/firebug
Merge branch 'master' of https://github.com/firebug/firebug into issue4156