pregame mapnik3
C++11
Use mapnik3 package.
Update appveyor.yml
appveyor: also test with ndoe v0.11 for better error reporting
Add float rounding margin to center coord checks.
More float truncating.
disable testing on node v0.11.x - refs naturalatlas/node-gdal#66 and mapbox/mapnik-omnivore#38
Merge branch 'tape' into mapnik3
appveyor bump x2
appveyor bump x3
Merge pull request #38 from mapbox/mapnik3

mapnik3