Derp, initialize when d3 is defined. Fixes #7.
Derp, initialize when d3 is defined. Fixes #7.

NYTimes/svg-crowbar,sekcheong/svg-crowbar,gitvfd/svg-crowbar,napsternxg/svg-crowbar,NYTimes/svg-crowbar,modulexcite/svg-crowbar,modulexcite/svg-crowbar,gitvfd/svg-crowbar,sekcheong/svg-crowbar