+ add test-packages for cross-compiling ncurses-examples using the
MinGW test-packages. These are only the Debian packages; RPM later.
+ cleanup format of debian/copyright files
+ add pc-files to the MinGW cross-compiling test-packages.
+ correct a couple of places in gen-pkgconfig.in to handle renaming of
the tinfo library.
+ modify_nc_flush() to retry if interrupted (patch by Stian Skjelstad).
+ change map files to make _nc_freeall a global, since it may be used
via the Ada95 binding when checking for memory leaks.
+ improve sed script used in 20141220 to account for wide-, threaded-
variations in ABI 6.
