* faq-using.xml (faq.using.directory-structure): Align example to
latest mount output.
* pathnames.sgml (mount-table): Add note about upgrade helper scripts
to create /etc/fstab and /etc/fstab.f/${USER}.
console character set setting.
* faq: Throughout, change references to User's Guide to references
to 1.7 User's Guide temporarily.
* faq-setup.html (faq.using.unicode): Rephrase slightly.
(faq.using.weirdchars): New FAQ entry for console charset problems.
cygserver and its relation to the "Bad system call" error.
* faq-setup.xml (faq.setup.uninstall-all): Mention postgresql.
* overview2.sgml: Update security info on shared memory.
list of packages required for building and exact check instructions.
* faq-setup.xml (faq.setup.uninstall-service): New instructions
on uninstalling a cygwin service.
(faq.setup.uninstall-all): Reference new service uninstall FAQ.
