return shortest path rather than first hit from vtile.query [publish binary]
fix polygon query [publish binary]
Add more tests for vtile.query
Merge branch 'master' into query-v2

Conflicts:
	package.json
	scripts/package_osx.sh
Sketch of async vt.query
Run vt.query concurrently.
Prep for dev package.
Merge branch 'master' into vt-query-async
Merge.
dev [publish binary]
Support for webp is a mapnik 2.3 feature
The native SVG renderer is a mapnik 2.3 feature
Merge pull request #304 from tomhughes/tests

Don't run tests for features that need a newer mapnik
use latest mapnik-vector-tile
add missing include
simplify a few expected tests to just use polygonsymbolizer without clipping
avoid mocha diffs
break apart svg rendering tests
newline insensitive grid compare
attempt to fix tests on linux