Add tileSize option to ol/source/TileJSON
Add tileSize option to ol/source/TileJSON

The TileJSON spec does not specify the tile size
and there is no TileJSON property specifying the value.

Many providers nowadays provide 512x512 with TileJSON.

tschaub/ol3,ahocevar/openlayers,tschaub/ol3,oterral/ol3,adube/ol3,bjornharrtell/ol3,stweil/ol3,bjornharrtell/ol3,oterral/ol3,tschaub/ol3,stweil/openlayers,bjornharrtell/ol3,geekdenz/ol3,ahocevar/openlayers,stweil/openlayers,stweil/openlayers,stweil/ol3,ahocevar/ol3,adube/ol3,adube/ol3,geekdenz/openlayers,ahocevar/openlayers,tschaub/ol3,openlayers/openlayers,stweil/ol3,ahocevar/ol3,oterral/ol3,openlayers/openlayers,ahocevar/ol3,stweil/ol3,geekdenz/ol3,geekdenz/ol3,geekdenz/ol3,geekdenz/openlayers,openlayers/openlayers,ahocevar/ol3,geekdenz/openlayers