Fixed compile error again
included leaflet lib and core js
Updated a bulk of Walker java classes to match recent changes in Graphene core
Sanitized immature or unused code just so Graphene-Walker could compile
Added the Walker implementation of the EntityLightFunnel
Merge branch 'Leaflet' into 4.0.9

Conflicts:
	graphene-walker/graphene-walker-ingest/src/main/java/graphene/walker/ingest/titan/EmailImporter.java
	graphene-walker/graphene-walker-ingest/src/main/java/graphene/walker/ingest/titan/ImportRunner.java
	graphene-walker/graphene-walker-web/src/main/java/graphene/walker/dao/impl/EntityRefDAODiskImpl.java
	graphene-walker/graphene-walker-web/src/main/java/graphene/walker/model/BasicEntityRefFunnel.java
	graphene-walker/graphene-walker-web/src/main/java/graphene/walker/model/graphserver/EventGraphBuilderWalkerImpl.java
	graphene-walker/graphene-walker-web/src/main/webapp/walker.html