Production Ready UMD (compatible with 0.7.7)

Updates:

• Some updates to Polyline lag (not simplifying every movement)
• Emitting subtract event
• Some updates to the controller
• more trys for turfjs

Browserified (compatible with 0.7.7)

First stable release, distinguished from the original fork:

1. Multiple instances
2. Additive or subtractive free hand shapes (create holes or make edits with subtract mode)
3. Works on Canvas or SVG
4. Works with built-in leaflet functions with some help from TurfJS for combining/subtracting polygons

Notes:

Not compatible with Leaflet 1.0.1