twitter/zipkin — pull request #413 by synk (2014-09-14 09:15:16+00:00)
Title: Show exact time of each annotations at SpanPanel

For investigation purpose, we often want to know not only duration but also the exact time of each spans. This patch shows their local date time at Span Panel. This is useful to investigate the cause of irregularly long span by collating its time with server log file.