turn on `showtimes` for specs2 to help diagnose #774
turn on `showtimes` for specs2 to help diagnose #774

Test output will now include all specs2 expecations and how long
each took to complete.

http4s/http4s,aeons/http4s,aeons/http4s,ChristopherDavenport/http4s,aeons/http4s,ChristopherDavenport/http4s,ChristopherDavenport/http4s,ZizhengTai/http4s,ZizhengTai/http4s,rossabaker/http4s,ZizhengTai/http4s,reactormonk/http4s,rossabaker/http4s,reactormonk/http4s,reactormonk/http4s