Use googleapis jQuery and Angular JS.

Saves having on (cloud) disk and improves efficiency.
Rename forecastApi service as just apis

The service doesn't have a specific purpose yet so removing the restrictive title
Adjust appearance of rain prediction

* Multiply intensity by 20 instead of 30 so higher values can be viewed
    - this normalisation needs to be calculated properly, maybe logarithmic
* Make stroke lines visible to see individual minute's predictions more easily