Update to Leaflet 1.3.1

Add mapml-leaflet-plugin's dependencies as direct dependents of this, to see if the result will work with webcomponents.org demo page

Fix pan/zoom animations

Bump the version number due to bad initial 0.1.5 release

Fix pan/zoom animations

Improve stale tile garbage collection

Fix icons

0.1.4

Fix broken icons

Include web-components keyword in bower.json

Update bower.json

Try to get this thing on customelements.io

Fix issues with map-layer and map-area

Forgot to include other changes that originally caused me to release 0.1.1. Doh!

Fix issues with web-map

Adds L.Icon.Default.imagePath setting into the web-map.ready function. Fix issue with this.poster.

Test of release process - take four

Merge pull request #41 from prushforth/builds

Update builds bower.json, add index.html