+ fix some gcc 4.8 -Wconversion warnings.
+ change format of dpkg test-scripts to quilted to work around bug
introduced by Debian #700177.
+ discard cached keyname() values if meta() is changed after a value
was cached using (report by Kurban Mallachiev).
+ add configure check to distinguish clang from gcc to eliminate
warnings about unused command-line parameters when compiler warnings
are enabled.
+ improve behavior when updating terminfo entries which are hardlinked
by allowing for the possibility that an alias has been repurposed to
a new primary name.
+ fix some strict compiler warnings based on package scripts.
+ further fixes for configure check for working poll (Debian #676461).
+ for term-driver configuration, ensure that the driver pointer is
initialized in setupterm so that terminfo/termcap programs work.
+ amend fix for Debian #542031 to ensure that wattrset() returns only
OK or ERR, rather than the attribute value (report by Miroslav
Lichvar).
+ reorder WINDOWLIST to put WINDOW data after SCREEN pointer, making
_nc_screen_of() compatible between normal/wide libraries again (patch
by Miroslav Lichvar)
+ review/fix include-dependencies in modules files (report by Miroslav
Lichvar).
