Use Spherical Mercator map projection (instead of Equirectangular)
Add some overlap between adjacent geospatial encodings
Merge branch 'master' into improve_geospatial_encoder
Added pyproj to requirements.txt
Update nupic-darwin64 reference to one that includes pyproj
Merge pull request #1 from oxtopus/improve_geospatial_encoder

Update nupic-darwin64 reference to one that includes pyproj
Merge pull request #1015 from chetan51/improve_geospatial_encoder

Improve geospatial encoder