faq.html: pure whitespace fix
ported http://caml.inria.fr/resources/doc/faq/core.en.html
faq: make General Questions the default
import http://caml.inria.fr/resources/doc/faq/module.en.html
import http://caml.inria.fr/resources/doc/faq/tools.en.html
import http://caml.inria.fr/resources/doc/faq/camllight.en.html
caml-light/index.html: add missing p tag