Sync zoneinfo database with tzdata2016f from ftp://ftp.iana.org/tz/releases

Sync zoneinfo database with tzdata2016f from ftp://ftp.iana.org/tz/releases

* The Egyptian government changed its mind on short notice, and
    Africa/Cairo did not introduce DST starting 2016-07-07 after all.
    (Thanks to Mina Samuel.)

* Asia/Novosibirsk switches from +06 to +07 on 2016-07-24 at 02:00.
    (Thanks to Stepan Golosunov.)

* Asia/Novokuznetsk and Asia/Novosibirsk now use numeric time zone
    abbreviations instead of invented ones.

* Europe/Minsk's 1992-03-29 spring-forward transition was at 02:00 not 00:00.
    (Thanks to Stepan Golosunov.)