Merge remote-tracking branch 'origin/jsd2' into issue6291

Conflicts:
	extension/content/firebug/debugger/debuggerLib.js
issue6291: correct arguments order for DebuggerLib.getDebuggeeGlobal +
some minor fixes
Merge remote-tracking branch 'origin/issue6291' into issue6291

Conflicts:
	extension/content/firebug/console/commandLineExposed.js