Upgrade wakeonlan to 1.1.6

[fabaff]

Description:

Changelog: https://github.com/remcohaszing/pywakeonlan/releases

Example entry for configuration.yaml (if applicable):

wake_on_lan:

Service data:

{  
   "mac":"00:30:18:cf:0f:80"
}

2018-09-09 10:12:11 INFO (MainThread) [homeassistant.core] Bus:Handling <Event call_service[L]: domain=wake_on_lan, service=send_magic_packet, service_data=mac=00:30:18:cf:0f:80>
2018-09-09 10:12:11 INFO (MainThread) [homeassistant.components.wake_on_lan] Send magic packet to mac 00:30:18:cf:0f:80 (broadcast: None)
2018-09-09 10:12:11 INFO (MainThread) [homeassistant.core] Bus:Handling <Event service_executed[L]>

Traffic dump:

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass

If the code communicates with devices, web services, or third-party tools:

• New dependencies have been added to the REQUIREMENTS variable ([example][ex-requir]).
• New or updated dependencies have been added to requirements_all.txt by running script/gen_requirements_all.py.

[pvizeli]

Need a rebase