LePew

Results 2 issues of LePew

Hi. I noticed a bug in leafleat-heatmap.js, when useLocalExtrema=true, localMin is bounded to 0, even if the real local minimal value is >0. At the beginning of the loop, localMin...

Hi. This script adds a Control on a leaflet-heatmap displaying min and max values + an img of the gradient. Feel free to merge it with your repo :) ![heatmapcontrol](https://cloud.githubusercontent.com/assets/22963570/24008794/071f7990-0a73-11e7-8149-b25ec8c4b65c.jpg)