Nuke forced maximum-extent property to enable buffered geometries beyond visual extent.
Merge pull request #342 from mapbox/no-max-extent

Nuke forced maximum-extent
0.10.0
Switch carto to be synchronous.
Update error handling tests.
Add tests that run the carto binary.
Merge pull request #346 from mapbox/sync

Sync
0.11.0
Update test to set name on secondary group symbolizer.
Clean up
Quote group identifiers.
Clean up
Update test to check group rule zoom levels.
Merge branch 'master' of github.com:mapbox/carto into jmh-group-symbolizer-dev
Remove max extent from test.
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