Tell npm 1.2.24 to install.
It looks like npm 1.2.24 (bundled with node 0.8.24) doesn't run wscripts by default.
Merge pull request #9 from mapbox/node-0.8.24

Tell npm 1.2.24 to install.
0.5.5
Add test for a vector tile source.
Skip mask decoding/checking for PBF format tilesources.
0.5.6
Deprecate using key/secret from data. Add loading of key/secret from cfg/environment.
0.6.0
Use tilejson 0.4.x
0.7.0
merge with master