Changes the logger to a component instance
Generically identifies and stores the loggers
Adds the alert messages
Moves the check for low memory to ramChanged
Creates properties for the low ram and battery alert messages
Merge pull request #125 from virtual-world-framework/alerts

Cleans up status and alert loggers
Add dust system
Add dust system controller
Allow dust system to follow player
Add direction changing for dust
Tweak dust size value and rotation time
Darken and shrink dust particles
Make direction of dust particles static
Move dust to root node
Remove extra whitespace in index yaml
Remove self reference in dust system