{
    "metadata_version" : 0.1,
    "releases_url" : "ftp://ftp.iana.org/tz/releases/",
    "tzdata_file" : "tzdata2015b.tar.gz",
    "tzdata_file_sha512" : "767782b87e62a8f7a4dbcae595d16a54197c9e04ca974d7016d11f90ebaf2537b804d111f204af9052c68d4670afe0af0af9e5b150867a357fc199bb541368d0",
    "zonegroups" : [
        "africa",
        "antarctica",
        "asia",
        "australasia",
        "europe",
        "northamerica",
        "southamerica",
        "pacificnew",
        "etcetera",
        "systemv",
        "factory",
        "backzone",
        "backward"]
}


{
    "metadata_version" : 1.0,
    "releases_url" : "ftp://ftp.iana.org/tz/releases/",
    "tzversion": "2015d",
    "tzdata_file" : "tzdata2015d.tar.gz",
    "tzdata_file_sha512" : "37b5aa3c5e0d601c8b20fac08d7267c398a836e4190ef85625d5e86a806ba1baceb2315ba81a9a6c854eae4fce40e9c8f90cf5adade3f48ad443f77c221d8983",
    "zonegroups" : [
        "africa",
        "antarctica",
        "asia",
        "australasia",
        "europe",
        "northamerica",
        "southamerica",
        "pacificnew",
        "etcetera",
        "systemv",
        "factory",
        "backzone",
        "backward"]
}


Add tzversion to metadata, bump to metadata version 1.0 and bump tzdata version to 2015d. tzversion was suggested by @pganssle
Add tzversion to metadata, bump to metadata version 1.0
and bump tzdata version to 2015d.
tzversion was suggested by @pganssle
