VisualEditor/Metrics

Editor engagement dashboard
http://ee-dashboard.wmflabs.org/dashboards/enwiki-metrics#
 * Turn off unnecessary metrics
 * Hourly edits (number and %)
 * Use to backfill VE adoption numbers?
 * Breakdown by (outdated) editor types is fairly useful—do we need to
 * Daily, hourly, and cumulative tagged revisions
 * Hourly main-namespace edits by XLinkBot
 * Hourly main-namespace edits by ClueBot NG
 * New account registrations (reg3_daily)
 * New mobile account registrations
 * New account registrations by campaign
 * Daily unique users?
 * When turning off, how do we preserve definitions along with the spreadsheets?