Feature support harp engine

[kekishida2]

Feature Description

From HERE Maps API for JavaScript 1.60.0, Harp engine is supported for Japan map.
Tangram renderer is no more required for HERE Map widget for Jupiter.

Detail changes

To realize Harp engine support, the following files are changed

• Javascript files which mapjs.bundle is imported, is changing to mapjs.bundle.harp
• Harp engine type adaptation in JavaScript.

Limitations

No backward compatibility with tangram render for Japan map.
To use Japan map continuously, Need to change the configuration as follows.
Old:

style = Style(
    config='https://js.api.here.com/v3/3.1/styles/omv/oslo/japan/normal.day.yaml',
    base_url='https://js.api.here.com/v3/3.1/styles/omv/oslo/japan/'    
)

New:

style = Style(
    config="https://js.api.here.com/v3/3.1/styles/harp/oslo/tko.normal.day.json",
    base_url="https://js.api.here.com/v3/3.1/styles/harp/oslo/",
)