Fixed property name for database url: url -> db.url
Added demo view/layer for Arcgis background map
Added transitionEffect option for myplaceslayer whene rendering as wmslayer
OskariLayerService now has findByUrlAndName(url, name) method that returns layers matching given url and name
InspireThemeService and LayerGroupService now have findByName(name) - use with caution
Removed unnecessary imports
initial (and minimal) implementation for parsing JSON to an OskariLayer
Now sets type automatically as well as mapping
Added findRoleByName(name)
Some refactoring of code to helpers and initial support for layers in JSON presentation
Example usage of layer JSON for DBHandler
Arcgis demo view now uses layer JSON linking for selected layer