switch mapnik map.fromString() to strict mode
Merge branch 'master' into mapnik-strict
add tm2-default-fonts
bump package.json
move tm2-default-fonts from tests to index.js
add tests for mapnik strict mode missing font and missing image, ref #22
expose the mapnik binding instead of requiring font registration
make strict mode optional, default to false
remove extraneous mapnik require
Revert "bump package.json"

This reverts commit 96a442e81cb4e5f5438185785a44ca9547e15118.
Merge branch 'master' into mapnik-strict
add registered font test
force strict mode
update test fixture to only use Source Sans Pro Bold
Merge pull request #24 from mapbox/mapnik-strict

Require strict mode