Bug 914607 - Remove MOZ_WIDGET_GTK2. r=karlt
Bug 917270 - Rename widget/gtk2 to widget/gtk. r=karlt

--HG--
rename : widget/gtk2/Makefile.in => widget/gtk/Makefile.in
rename : widget/gtk2/WidgetTraceEvent.cpp => widget/gtk/WidgetTraceEvent.cpp
rename : widget/gtk2/compat/gdk/gdkdnd.h => widget/gtk/compat/gdk/gdkdnd.h
rename : widget/gtk2/compat/gdk/gdkkeysyms.h => widget/gtk/compat/gdk/gdkkeysyms.h
rename : widget/gtk2/compat/gdk/gdkvisual.h => widget/gtk/compat/gdk/gdkvisual.h
rename : widget/gtk2/compat/gdk/gdkwindow.h => widget/gtk/compat/gdk/gdkwindow.h
rename : widget/gtk2/compat/gdk/gdkx.h => widget/gtk/compat/gdk/gdkx.h
rename : widget/gtk2/compat/glib/gmem.h => widget/gtk/compat/glib/gmem.h
rename : widget/gtk2/compat/gtk/gtkcolorseldialog.h => widget/gtk/compat/gtk/gtkcolorseldialog.h
rename : widget/gtk2/compat/gtk/gtkdialog.h => widget/gtk/compat/gtk/gtkdialog.h
rename : widget/gtk2/compat/gtk/gtkplug.h => widget/gtk/compat/gtk/gtkplug.h
rename : widget/gtk2/compat/gtk/gtkselection.h => widget/gtk/compat/gtk/gtkselection.h
rename : widget/gtk2/compat/gtk/gtkwidget.h => widget/gtk/compat/gtk/gtkwidget.h
rename : widget/gtk2/compat/gtk/gtkwindow.h => widget/gtk/compat/gtk/gtkwindow.h
rename : widget/gtk2/crashtests/673390-1.html => widget/gtk/crashtests/673390-1.html
rename : widget/gtk2/crashtests/crashtests.list => widget/gtk/crashtests/crashtests.list
rename : widget/gtk2/gtk2drawing.c => widget/gtk/gtk2drawing.c
rename : widget/gtk2/gtk3drawing.c => widget/gtk/gtk3drawing.c
rename : widget/gtk2/gtkdrawing.h => widget/gtk/gtkdrawing.h
rename : widget/gtk2/maiRedundantObjectFactory.c => widget/gtk/maiRedundantObjectFactory.c
rename : widget/gtk2/maiRedundantObjectFactory.h => widget/gtk/maiRedundantObjectFactory.h
rename : widget/gtk2/moz.build => widget/gtk/moz.build
rename : widget/gtk2/mozcontainer.c => widget/gtk/mozcontainer.c
rename : widget/gtk2/mozcontainer.h => widget/gtk/mozcontainer.h
rename : widget/gtk2/nsAppShell.cpp => widget/gtk/nsAppShell.cpp
rename : widget/gtk2/nsAppShell.h => widget/gtk/nsAppShell.h
rename : widget/gtk2/nsBidiKeyboard.cpp => widget/gtk/nsBidiKeyboard.cpp
rename : widget/gtk2/nsBidiKeyboard.h => widget/gtk/nsBidiKeyboard.h
rename : widget/gtk2/nsCUPSShim.cpp => widget/gtk/nsCUPSShim.cpp
rename : widget/gtk2/nsCUPSShim.h => widget/gtk/nsCUPSShim.h
rename : widget/gtk2/nsClipboard.cpp => widget/gtk/nsClipboard.cpp
rename : widget/gtk2/nsClipboard.h => widget/gtk/nsClipboard.h
rename : widget/gtk2/nsColorPicker.cpp => widget/gtk/nsColorPicker.cpp
rename : widget/gtk2/nsColorPicker.h => widget/gtk/nsColorPicker.h
rename : widget/gtk2/nsDeviceContextSpecG.cpp => widget/gtk/nsDeviceContextSpecG.cpp
rename : widget/gtk2/nsDeviceContextSpecG.h => widget/gtk/nsDeviceContextSpecG.h
rename : widget/gtk2/nsDragService.cpp => widget/gtk/nsDragService.cpp
rename : widget/gtk2/nsDragService.h => widget/gtk/nsDragService.h
rename : widget/gtk2/nsFilePicker.cpp => widget/gtk/nsFilePicker.cpp
rename : widget/gtk2/nsFilePicker.h => widget/gtk/nsFilePicker.h
rename : widget/gtk2/nsGTKToolkit.h => widget/gtk/nsGTKToolkit.h
rename : widget/gtk2/nsGtkCursors.h => widget/gtk/nsGtkCursors.h
rename : widget/gtk2/nsGtkIMModule.cpp => widget/gtk/nsGtkIMModule.cpp
rename : widget/gtk2/nsGtkIMModule.h => widget/gtk/nsGtkIMModule.h
rename : widget/gtk2/nsGtkKeyUtils.cpp => widget/gtk/nsGtkKeyUtils.cpp
rename : widget/gtk2/nsGtkKeyUtils.h => widget/gtk/nsGtkKeyUtils.h
rename : widget/gtk2/nsGtkUtils.h => widget/gtk/nsGtkUtils.h
rename : widget/gtk2/nsIImageToPixbuf.h => widget/gtk/nsIImageToPixbuf.h
rename : widget/gtk2/nsIdleServiceGTK.cpp => widget/gtk/nsIdleServiceGTK.cpp
rename : widget/gtk2/nsIdleServiceGTK.h => widget/gtk/nsIdleServiceGTK.h
rename : widget/gtk2/nsImageToPixbuf.cpp => widget/gtk/nsImageToPixbuf.cpp
rename : widget/gtk2/nsImageToPixbuf.h => widget/gtk/nsImageToPixbuf.h
rename : widget/gtk2/nsLookAndFeel.cpp => widget/gtk/nsLookAndFeel.cpp
rename : widget/gtk2/nsLookAndFeel.h => widget/gtk/nsLookAndFeel.h
rename : widget/gtk2/nsNativeKeyBindings.cpp => widget/gtk/nsNativeKeyBindings.cpp
rename : widget/gtk2/nsNativeKeyBindings.h => widget/gtk/nsNativeKeyBindings.h
rename : widget/gtk2/nsNativeThemeGTK.cpp => widget/gtk/nsNativeThemeGTK.cpp
rename : widget/gtk2/nsNativeThemeGTK.h => widget/gtk/nsNativeThemeGTK.h
rename : widget/gtk2/nsPSPrinters.cpp => widget/gtk/nsPSPrinters.cpp
rename : widget/gtk2/nsPSPrinters.h => widget/gtk/nsPSPrinters.h
rename : widget/gtk2/nsPaperPS.cpp => widget/gtk/nsPaperPS.cpp
rename : widget/gtk2/nsPaperPS.h => widget/gtk/nsPaperPS.h
rename : widget/gtk2/nsPrintDialogGTK.cpp => widget/gtk/nsPrintDialogGTK.cpp
rename : widget/gtk2/nsPrintDialogGTK.h => widget/gtk/nsPrintDialogGTK.h
rename : widget/gtk2/nsPrintOptionsGTK.cpp => widget/gtk/nsPrintOptionsGTK.cpp
rename : widget/gtk2/nsPrintOptionsGTK.h => widget/gtk/nsPrintOptionsGTK.h
rename : widget/gtk2/nsPrintSettingsGTK.cpp => widget/gtk/nsPrintSettingsGTK.cpp
rename : widget/gtk2/nsPrintSettingsGTK.h => widget/gtk/nsPrintSettingsGTK.h
rename : widget/gtk2/nsScreenGtk.cpp => widget/gtk/nsScreenGtk.cpp
rename : widget/gtk2/nsScreenGtk.h => widget/gtk/nsScreenGtk.h
rename : widget/gtk2/nsScreenManagerGtk.cpp => widget/gtk/nsScreenManagerGtk.cpp
rename : widget/gtk2/nsScreenManagerGtk.h => widget/gtk/nsScreenManagerGtk.h
rename : widget/gtk2/nsSound.cpp => widget/gtk/nsSound.cpp
rename : widget/gtk2/nsSound.h => widget/gtk/nsSound.h
rename : widget/gtk2/nsToolkit.cpp => widget/gtk/nsToolkit.cpp
rename : widget/gtk2/nsWidgetFactory.cpp => widget/gtk/nsWidgetFactory.cpp
rename : widget/gtk2/nsWindow.cpp => widget/gtk/nsWindow.cpp
rename : widget/gtk2/nsWindow.h => widget/gtk/nsWindow.h
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