Make mapclient view API pluggable.
Make mapclient view API pluggable.

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