- Fix ncursesw6-config and ncursesw5-config scripts to return -ltinfow
as well as the pkg-config files do

- Add ncurses patch 20170520
+ modify test/picsmap.c to read xpm files.
+ modify package/debian/* to create documentation packages, so the
related files can be checked with lintian.
+ fix some typos in manpages (report/patch by Sven Joachim).

- Add ncurses patch 20170513
+ add test/picsmap.c to fill in some testing issues not met by dots.
The initial version reads X bitmap (".xbm") files.
+ repair logic which forces a repaint where a color-pair's content is
changed (cf: 20170311).
+ improve tracemunch, showing screenXX pointers as names.

- Better screen support and workaround about missing terminfo entries
might be help on boo#812067 as well as on boo#935736 but may cause
boo#940459 (which should be fixed by screen its self!)
- New package terminfo-screen which includes some useful but troubling
terminfo database entries for screen.

- Disable the usage of getttynam(3) as under Linux this is not used

- Add ncurses patch 20170506
+ modify tic/infocmp display of numeric values to use hexadecimal when
they are "close" to a power of two, making the result more readable.
+ improve discussion of portability in curs_mouse.3x
+ change line-length for generated html/manpages to 78 columns from 65.
+ improve discussion of line-drawing characters in curs_add_wch.3x