Still not sure why they made this move, but it is really easy to fix it.   Launch a terminal,

Still not sure why they made this move, but it is really easy to fix it.

Launch a terminal, type gconf-editor (this will launch Configuration editor)

Goto, apps - metacity - general, under button_layout ( /apps/metacity/general/button_layout),

double click and change to menu:minimize,maximize,close

Now it should appear as expected.