This is needed now that lib/ is in the include path.
* src/misc/bareword.cc, src/misc/bddop.cc, src/misc/escape.cc,
src/misc/formater.cc, src/misc/intvcmp2.cc, src/misc/intvcomp.cc,
src/misc/memusage.cc, src/misc/minato.cc, src/misc/optionmap.cc,
src/misc/random.cc, src/misc/timer.cc, src/misc/version.cc: Include
config.h.
* src/misc/formater.cc, src/misc/formater.hh (scan): New method.
(prime): Use it.
* src/bin/ltlcross.cc (translator_runner::translator_runner): Scan each
specification string, and report those missing an input or output
%-sequence.
* NEWS: Mention it.
* src/misc/formater.hh (formater::format, formater::prime): Move ...
* src/misc/formater.cc: ... in this new file.
* src/misc/Makefile.am: Add it.
* src/sanity/style.test: Allow <iostream> in headers where << or >> are
used.
