mod. Assign boolean to is_reverted when no revisions have been made by a user.
mod. Assign boolean to is_reverted when no revisions have been made by a user.

Change-Id: I71fe74d9c71196222466c6a4e7591f29385e594b

wikimedia/analytics-user-metrics,wikimedia/analytics-user-metrics,wikimedia/analytics-user-metrics