Added flowchart Excel document.
Updated jsdoc comments.
Moved Excel file to "Documentation" directory.
Merge branch 'master' into update-chart-for-service-area
Merge branch 'master' into update-chart-for-service-area
Updated Excel flowchart
Added UserGraphicsLayers.
Added renderers to UserGraphicsLayers.
Updated the readme file.
Graphics are now persisted on the map.
user graphics layer is now cleared when the selection layer is cleared.