Sync zoneinfo database with tzdata2014c from ftp://ftp.iana.org/tz/releases

* africa: Egypt observes DST starting 2014-05-15 at 24:00.
    (Thanks to Ahmad El-Dardiry and Gunther Vermier.)

* asia: Remove now-confusing comment about Jordan.
    (Thanks to Oleksii Nochovnyi.)

* europe: Add a clarifying comment about how clocks in Simferopol
    Sevastopol were actually changed.