+20100417
+ + modify _nc_capcmp() to work with cancelled strings.
+ + correct translation of "^" in _nc_infotocap(), used to transform
+ terminfo to termcap strings
+ + add configure --disable-rpath-hack, to allow disabling the feature
+ which adds rpath options for libraries in unusual places.
+ + improve CF_RPATH_HACK_2 by checking if the rpath option for a given
+ directory was already added.
+ + improve CF_RPATH_HACK_2 by using ldd to provide a standard list of
+ directories (which will be ignored).
+