Implement connect gaps for 2d WebGL plots#449

Merged

etpinard merged 4 commits intoplotly:masterfrom

mikolalysenko:connect-gaps-2d

May 5, 2016

Commits on Apr 19, 2016

Commits on May 1, 2016

fix calculation of xdata/ydata for fancy scattergl
mikolalysenko
committed

Commits on May 4, 2016

use separate xdata/ydata for picking in scatter plots
mikolalysenko
committed