ASTERIXDB-1391: add link to issue tracker

Change-Id: I11ebb359c2f6e21b690cc42e176dabdd43206c40
Reviewed-on: https://asterix-gerrit.ics.uci.edu/793
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>
Reviewed-by: Michael Blow <michael.blow@couchbase.com>
9 files changed