CDH-23345: Sessions table was missing <tr> tags

Change-Id: Ibb738e389d394ec4b0b77b15c66969498ea80812
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/5300
Reviewed-by: Alex Behm <alex.behm@cloudera.com>
Tested-by: jenkins
(cherry picked from commit 225f47f8bf35cd5384b592f84cbbaa422c5caed6)
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/5352
Tested-by: Henry Robinson <henry@cloudera.com>
Reviewed-by: Henry Robinson <henry@cloudera.com>