Merge branch 'SimplePushDevices'
Adding content-available:boolean for delivering a) newstand b) silent iOS messages
updating toString() + proper bool value evaluation
Fixing AdminUI inclusion
Removes the login screen
Fixing pom dependency conflicts
Inclusion of Keycloak configuration files
Removing ag security interceptor
Farewell AeroGear Security
Updating to latest version
Changing auth-method to KEYCLOAK
Reflect class name change for their alpha-1
Update the keycloak.json file content (genrated w/ their alpha-1 console)
excluing the device-registration and Sender API URLs from Keycloak
Reativating the HTTPBasicHelper, required for device-registration and Notification-Sender API URLs