Telemetry dashboard: fix release markers
Telemetry dashboard: fix release markers

They were not in the right place on the x axis. Data from the log file for 2016-08-01, for example, should be graphed at 2016-08-01 23:59:59 -- end of day -- that way it shows up *after* the marker line for a release that happened early in the day on Aug 1 UTC.

feross/webtorrent.io,feross/webtorrent.io,feross/webtorrent.io