Fix instance.configure, move renderer updateGradient call to renderer
Update description, version, homepage in package.json
Add @TODO re inline API docs
Update README
Set default maximum to 1
Add LICENSE
Update contribution guidelines
Fix multiple heatmap instance issue in maps plugins, thanks to @iernie
Add latest build
Make heatmap canvas accessible via a classname
Add visual tests
Update banner for build
Update the documentation
Add latest build