Merge pull request #1371 from delgod/percona-use-upstream

[percona] update Bug Report instruction

percona/issues.md

@@ -0,0 +1,3 @@
+For issues with Percona Server: [Percona Server JIRA](https://jira.percona.com/issues/?jql=project+%3D+PS)
+
+	You will need to create an account if you do not have one.