Don't default to the current global in DebuggerLib's getDebuggeeGlobal methods

It's almost always a bug (see e.g. issue 7473), and explicit is better
than implicit.
FBTest for issue 7470: Breakpoint conditions are disregarded.
fix the typo.
Locale update: de
Locale update: bg
Locale update: pl
Locale update: hu-HU
Locale update: es-ES
Issue 7003: 	Opening the search field popup blurs the window after changing Firebug to detached mode
Remove obsolete tracing
Issue 7478: 	The breakpoint conditional editor doesn't open with the correspoinding item in the Script panel's popup menu.
Issue 7318 (Spacing of icons within toolbar buttons is incorrect)
https://code.google.com/p/fbug/issues/detail?id=7318

Part 1: Adjusted padding within the buttons
Fixed button display on OS X (related to issue 7318)
Merge branch 'issue7318'
Issue 7480: 	Firefox UI blocked when breakpoint is hit
FBTest for Issue 7478.
Merge branch 'master' of https://github.com/firebug/firebug
Issue 7475: Inspection of selected expressions in the Script panel
Merge branch 'master' of github.com:firebug/firebug
Locale update: ja-JP