made "hide files" and "veto files" into per-service parameter sections,

made "hide files" and "veto files" into per-service parameter sections,
instead of just [global].  this makes it easier to decide whether to
remove the "hide dot files" per-service parameter, and supercede it with
a default "hide files" value of ".*".

lkcl
(This used to be commit f3ee4620ea7b93e4a00e77f9d787a118fd11ccaa)