Sync zoneinfo database with tzdata2011h from elsie.nci.nih.gov

Sync zoneinfo database with tzdata2011h from elsie.nci.nih.gov

antarctica:     8.8  -> 8.9
asia:           8.64 -> 8.65
europe:         8.32 -> 8.33
iso3166.tab     8.6  -> 8.9
southamerica:   8.49 -> 8.50
zone.tab:       8.43 -> 8.45

* antarctica: Remove unused RussAQ rules.

* asia: Add comment on retaining "old" Russia rules for the benefit
    of Armenia.

* europe: Russia abandons DST in 2011 (thanks to Alexander Krivenyshev).
    "Old" Russia rules retained for now for Belarus.

* iso3166.tab: Change AN (Netherlands Antilles) to CW (Curacao).

* southamerica: Use links for places with new iso3166 codes.

* zone.tab: Change AN (Netherlands Antilles) to CW (Curacao).