Updated demos leaflet version to 0.6.3
First choropleth functionality version
Merge remote-tracking branch 'origin' into chloropleth

Conflicts:
	src/angular-leaflet-directive.js
Basic example working
Advances on the choropleth demo
Evolved choropleth demo
Updated choropleth example
Renamed example
Renamed some vars to geojson
Added the 'legend' functionality and an example
Finished geojson demo
Added some changes to the example
Changes to the tiles functionality
Reworked "tiles" property
Solved bad linked url
Added example links
Updated Legend Example
Added the "click" functionality to the geojson property