[VOTE][RESULT] FLIP-90: Support SQL 2016-2017 JSON functions in Flink SQL

[Forward Xu]

 Hi all,

 Votes on FLIP-90 have been supported by 3 commitors. Thanks everyone for
voting. Related discussions in [1] & [2] & [3]. The results of this vote
are in [4] & [5].

 Best,
 Forward

[1]
https://docs.google.com/document/d/1JfaFYIFOAY8P2pFhOYNCQ9RTzwF4l85_bnTvImOLKMk/edit#heading=h.76mb88ca6yjp
[2]
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=141724550
[3]
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Support-JSON-functions-in-Flink-SQL-td32674.html
[4]
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/VOTE-FLIP-90-Support-SQL-2016-2017-JSON-functions-in-Flink-SQL-tt36532.html
[5]
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/VOTE-FLIP-90-Support-SQL-2016-2017-JSON-functions-in-Flink-SQL-tt36341.html