fdc-test-statistics:轻量级测试统计数据的存储和聚合

REST-API： 覆盖率数据 商店覆盖率数据： curl -kv -X PUT https://<servername>/publish/coverage -d '{"lines": <n>, "covered": <m>, "project": "<project>", "subproject": "<subproject>", "language": "<language>"}' -H "Content-Type: application/json" -H "auth-token: <publish>" 统计服务器仅记住当天的最后一个PUT。 获取最新的覆盖率数据： curl -kv https://<servername>/statistics/coverage/latest/<project> -H "auth-token: