Move styles into separate directory

As there is another style sheet on the way
Increse size of clock within canvas

For some reason size/2 is not the radius of the whole canvas. Not sure why, although *0.65 fills better.
Acknowledge Forecast according to their terms of service

Forecast terms of service: https://developer.forecast.io/terms_of_use.txt
Offset clock into center of the window

We all love things being centered!
Chunky refactor/code clean

Broke down large functions
Renamed variables