v2.1.3

Added

• new ImageryClarity basemapLayer (🙏Biboba🙏 #1047)
• dynamic attribution for WorldImagery basemap layer to attribute local Community Maps content providers

Fixed

• smarter check for custom coordinate systems #1045)
• removed rogue Proj4 console errors in webpack/browserify apps
• caught the last few non ES6 imports from Leaflet (🙏finneganh🙏 #1050)