ncurses 5.7 - patch 20091219

+ remove old check in mvderwin() which prevented moving a derived
  window whose origin happened to coincide with its parent's origin
  (report by Katarina Machalkova).
+ improve test/ncurses.c to put mouse droppings in the proper window.
+ update minix terminfo entry -TD
+ add bw (auto-left-margin) to nsterm* entries (Benjamin Sittler)