Add style to the map

Added a style in an attempt to turn off POIs. Currently doesn't work as expected, but doesn't affect the app.
Add map style

Added a map style properly, there is something else in the code that is interfering with the map style. Will look into this tomorrow.
add different style

Add the style that affects all of the labels that are appearing.
Make only specific labels dissappear

Changed all labels to just points of interest adminstrative and landscape.
This commit will make it so that buses and road names don't disappear from the map as well.
This works on my machine, but the user may have to refresh cache and rebuild the project after applying this change.
Remove airport nodes from map

Removed the airport nodes from the google map. This was a small fix added to the previous commit.
Remember again to rebuild and empty cache to make sure the the google map options are reset.
Merge pull request #30 from jabroderick/feature-3932_googleNodes

Only road/travel map features are loading, which is exactly what we wanted!