* [feature] react-leaflet markers support (#16)

* feat(*): Included react-leaflet marker support

* chore(*): Generated dist and included react preset to gulp config

* chore(*): Rebuild parsing scss

* refactor(*): Refactored some names and comments

* chore(*): Generated dist

* fix(*): Removed unnecessary files

* fix(*): Fixed key component warning

* [clean-up] Revert changes. Sync with master branch

This reverts commit 4842391ed70d636193894f71e7e0a848c3093d45.

* [plugin] Render react-leaflet Markers children

* [plugin] react-leaflet markers and markers from props without conflicts

* [config] Use PropTypes from separate package

* [config] Dependencies update

* [demo-app] Fix for marker custom icon on zoom

* [demo-app] react-leaflet Marker basic example

* [plugin] Render optimization

* [docs] Update readme

* [plugin] Build source

* [release] Update release number