ncurses 5.7 - patch 20100612

ncurses 5.7 - patch 20100612

+ start integrating changes to use gnatmake project files in Ada95 tree
  + add test_make / test_clean / test_install rules in Ada95/src
  + change install-path for adainclude directory to /usr/share/ada (was
    /usr/lib/ada).
+ update Ada95/configure.
+ add mlterm+256color entry, for mlterm 3.0.0 -TD
+ modify test/configure to use macros to ensure consistent order
  of updating LIBS variable.