Removes unused local var
Hipster logging

https://github.com/f2prateek/ln
Adds Robolectric config annotation to prevent manifest not found warnings

    WARNING: No manifest file found at ./Config.NONE.Falling back to the Android OS resources only.
    To remove this warning, annotate your test class with @Config(manifest=Config.NONE).
Adds ZoomController

Adds helper class to calculate optimal zoom level for current speed and mode of transportation.