issue 7194: added Option "extensions.firebug.tabSize" for setting the default size of tabs
issue7194: indentUnit should be same as tabSize
-  moved CSSEditor from cssPanel.js to cssEditor.js
- readded StyleSheetEditor on Firebug object because Acebug is using it
- fixed missing domplate initialization
Merge remote-tracking branch 'origin/master' into issue7194
issue7194: use tabs if preference replacetabs is zero
- improved coding style
Update tracing + avoid NPE
FBTest: update tracing
Issue 7337: Use in Command Line targets internal data structure
Added ID to context menu option for setting an error breakpoint
FBTest for issue 5216 ("Break On This Error" missing from the context
menu)
http://code.google.com/p/fbug/issues/detail?id=5216
Added steps to FBTest
 Issue 7295: Detaching and attaching backend thread without page-reload disables breakpoints
Merge branch 'master' of github.com:firebug/firebug
Issue 6 (Find Next doesn't work in edit mode on the CSS tab)
http://code.google.com/p/fbug/issues/detail?id=6

Fixed search highlighting
Stop marking executable lines if the Script panel is disabled
FBTest: properly wait till the Script panel is disabled (backend thread detached).
Merge branch 'master' of github.com:firebug/firebug