added MultiPolygon Style to the scene director. Todo: Make style independent of geomType
1.added MultiPolygon Style. 2. better cleaning of style vectors post tile mesh creation. And Todo: Make style independent of geomType
better ordered looping of all tiles, styles and dataSources. This also resolves a bug of overriding tile Mesh data at subsequent calls to style->addData
extractGeomCoords handles both polygons and multipolygons feature Geometry types
extractGeomCoords handles both polygons and multipolygons feature Geometry types
fixed size of data unit in gl buffer data call
Merge branch 'tile-management' of https://github.com/tangram-map/tangram-es into tile-management