Issue 6514: Look in closures when getting return values of "new A()" for auto-completion

http://code.google.com/p/fbug/issues/detail?id=6514
FBTest for issue 4156 (Multiple filters selectable in Net panel)
http://code.google.com/p/fbug/issues/detail?id=4156
FBTest: additional tracing to figure out random failures
Merge branch 'master' of github.com:firebug/firebug
Use the window of the element to get the computed styles for it
Allowed to toggle multiple buttons (with special-casing the "all"
filter)
Adjusted log display to allow multiple filters
Merge branch 'issue4621'
Removed debug trace log
Issue 6518: Add Shift+PageUp/PageDown shortcuts for increasing/decreasing values

https://code.google.com/p/fbug/issues/detail?id=6518
Issue 6519: Store the result of the last command line evaluation in $_

https://code.google.com/p/fbug/issues/detail?id=6519
Sort command line API auto-completions
FBTest: Issue 6519: Store the result of the last command line evaluation in st
Merge branch 'master' of github.com:firebug/firebug
FBTest for issue 6518 (Add Shift+PageUp/PageDown shortcuts for increasing/decreasing values)

https://code.google.com/p/fbug/issues/detail?id=6518
issue6521: Implement $2, $3, $4
issue6521: add help entries for $2, $3, $4 + completion support
FBTest for issue 6422 (Add a right click option for accessing objects in the Command Line)

https://code.google.com/p/fbug/issues/detail?id=6422
Add basic cookie Max-Age display
Modify session checking to take into account max age