FileBasedAsset service info message

Add startup message if the FileBasedAssetService is being used
Show region command tweaking

Small format changes for the 'show regions' command
System Estate & Additional Estate commands

Implemented a 'SystemEstate' to be used as a default estate unless
another is selected
- Auto created at startup if none exists

Additional estate related commands
- create estate
- set estate owner
- set estate name
- estate link region
- estate unlink region
- show estates