HeatMapFeatureLayer
Merge branch 'master' of github.com:Esri/esri-leaflet
port new methods to heatmap layer
update readme and gruntfile with heatmap info
add geocoder demo back in
add terrain layers to basemap keys
update examples and rebuild
add bounds to metadata event
rebuild
Merge pull request #217 from patrickarlt/master

Beta 4
cleanup directions sample
Merge branch 'master' of github.com:Esri/esri-leaflet
fix spelling
page title
Fix Readme DynamicMapLayer contstructor docs
Merge pull request #220 from mwengren/readme_fix

Fix Readme DynamicMapLayer contstructor docs