updated references

Signed-off-by: Martin Evans <martindevans@gmail.com>
Modified skybox renderer to be more robust
made views a processbehaviour so they can be more usefully extended

Signed-off-by: Martin Evans <martindevans@gmail.com>
Removed all references to trace listener in command console, instead a separate nlog listener (in Placeholder) is used to route nlog message to console

Signed-off-by: Martin Evans <martindevans@gmail.com>