gtk-2.0/gtkrc: 0.16.7 versiob bump (handlebox and tabs update)
gtk-3.0/{common,gtk}.css: 0.16.7 version bump (GtkPaned, entry, tabs, notebook update and fixes)
ChangeLog: 0.16.7 version bump
README.md: 0.16.7 version bump
gtk-2.0/gtkrc: (m) update
gtk-3.0/{common,gtk}.css: (m) update
README.md: (m) update
metacity-1/*.png: added forgetted image files
ChangeLog: update