Fix OL initial zoom level.
Fix OL initial zoom level.

staltz/tilestream,zhm/tilestream,staltz/tilestream,simonpoole/tilestream,simonpoole/tilestream,mapbox/tilestream,HydroLogic/tilestream,NolaMark/tilestream,makinacorpus/tilestream,frankrowe/tilestream,markng/tilestream,zhm/tilestream,frankrowe/tilestream,makinacorpus/tilestream,NolaMark/tilestream,HydroLogic/tilestream,markng/tilestream,mapbox/tilestream