Aligning Server and Radio Main classes. Adding error handling to Radio.
Additional fields for count widget
Further aligning Radio and Server Code. Introducing ActivityWriter intf.

Radio is using a null activity writer which is doing nothing.
Licensing some new licenses.
Persist trend widget configuration parameters
Fixed NPE in dashboard
Removing usage of implementation class in NodeServiceImpl.
Removing usage of input implementation class.
Preventing jackson from serializing raw fields of persisted models.
Removing usage of implementation class in RadioResource.
Removing reference to implementation class.
Ignoring internal fields in JSON serialization.
Simplifying ClusterResource.
support more than one count result to support trend widget
Merge branch 'trend_widget'
Change trend widget parameters
Add trends to stream count widgets
Upgrade to JadConfig 0.9.1
Fix usage of PositiveLongValidator in Configuration
Fix type of elasticSearchConfigFile in Configuration