Add servo lib support

[robotiko]

Servo seems to be one of those Arduino AVR libs that doens't work due to highly coupled AVR timming.
There is a new port to ESP8266 arduino in the main repo:

https://github.com/esp8266/Arduino/tree/esp8266-sdk-1.0/hardware/esp8266com/esp8266/libraries/Servo

[AutomationD]

@robotiko PRs are welcome :)

[robotiko]

Still dealing with newbie issues, but I will try to address that as small contribution to this great project as soon as I know how it goes.
:)

[hreintke]

@robotiko :
Are you still working on this or can we close the issue ?

[robotiko]

I have a single servo working, however it suffers from not precise timing and it is not really usable until HW timer is available and stable.
We can close an reopen later.

[hreintke]

Solved