* [Makefile] Fix minor issues with ocamlfind and 'make install' (from
Christopher Zimmermann).
o [Printer] In function from_fstring of sub-module Ftime, Fcalendar, and
Precise_Fcalendar, the number of seconds corresponding to %S may be a floating
point number (from Christophe Troestler' suggestion).
Added buildlink file, and updated package to use ocaml.mk framework.