Show the user who close the review request

Review Request #2679 — Created Nov. 2, 2011 and discarded — Latest diff uploaded


Review Board


Keep track of the information that who close/reopen the review request. The name of the user(with link) who close the review request will be shown in the submit banner, discard banner, and the entry of change description.
Manually tested by submit/discrad/reopen review request. Worked as expected.