Sync zoneinfo database with tzdata2005r from elsie.

Sync zoneinfo database with tzdata2005r from elsie.

africa:         7.39 -> 7.40
antarctica:     7.25 -> 7.30
asia:           7.88 -> 7.90
australasia:    7.74 -> 7.78
backward:	7.29 -> 7.30
europe:         7.95 -> 7.96
northamerica:   7.82 -> 7.87
southamerica:   7.63 -> 7.66
systemv:        7.3  -> 7.5

- Make systemv rules distinct files rather than linking them to particular
  geographic areas (that might change rules).

- Remove email addresses.

- Remove dead URLs.

- Adjust Canada and Winn rules to follow the US changes to DST in 2007.

- Add "<pre>" directives.