Upgrade speedtest-cli to 1.0.5

[fabaff]

1.0.4

• see commit log

Tested with the following configuration:

sensor:
  - platform: speedtest
    monitored_conditions:
      - ping
      - download
      - upload

17-04-22 10:25:06 INFO (Thread-8) [homeassistant.components.sensor.speedtest] Executing speedtest...
[...]
17-04-22 10:25:58 INFO (MainThread) [homeassistant.core] Bus:Handling <Event state_changed[L]: entity_id=sensor.speedtest_download, new_state=<state sensor.speedtest_download=84.75; icon=mdi:speedometer, friendly_name=Speedtest Download, unit_of_measurement=Mbit/s @ 2017-04-22T10:25:58.828101+02:00>, old_state=<state sensor.speedtest_download=unknown; icon=mdi:speedometer, friendly_name=Speedtest Download, unit_of_measurement=Mbit/s @ 2017-04-22T10:24:26.255360+02:00>>
17-04-22 10:25:58 INFO (MainThread) [homeassistant.core] Bus:Handling <Event state_changed[L]: entity_id=sensor.speedtest_ping, new_state=<state sensor.speedtest_ping=29.45; icon=mdi:speedometer, friendly_name=Speedtest Ping, unit_of_measurement=ms @ 2017-04-22T10:25:58.829837+02:00>, old_state=<state sensor.speedtest_ping=unknown; icon=mdi:speedometer, friendly_name=Speedtest Ping, unit_of_measurement=ms @ 2017-04-22T10:24:26.261085+02:00>>

[mention-bot]

@fabaff, thanks for your PR! By analyzing the history of the files in this pull request, we identified @nkgilley, @balloob and @rmkraus to be potential reviewers.