Fix duplicate dependency warnings with autodeps
pkg-query.8: fix typo
Add missing Dd bump
Fix same typo as pkg-query.8 had

Issue #707
Add an error message if no repo config is available for the update.
Otherwise pkg dies silently.
Fix typo.
Leave update faster.
Fix style
pkg.8: Remove bogus reference to pthread(3)

Submitted by:	wblock
Issue #685