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
grab the appropriate url before calling identify

update the way we dig out the service url when constructing our identify
request.
Directions.html demo fixed - now references correct esri-leaflet-geocoder.js, added start and stop points too.
Merge pull request #226 from jgravois/master

grab the appropriate url before calling identify
Merge pull request #227 from alaframboise/als-directions-fix

Directions.html demo fixed