* Will allow to load data if DB is not accessible / available
* Also allows to save, so a special set can be saved for testing/forensic.
* fixed status bar, as received data no longer means DB is alive
* flags for readers (which reader is reading specific entities etc.)
* web data services: bundling multiple readers (webdataservices) and implementing IWebDataReaderProvider
* readers now able to read single entities
* the reader will be used in context, but can also be used standalone (ie mapping GUI) GUI
* adjustments in context/airspace as required
** for web reader
** livery
* base class for database based reading (via JSON/web)
* model data reader for models