The following issues were fixed
* Fixed wrong/missing namespaces
* Fixed obvious typos in documentation
* Documentation not in sync with source code
refs #544
* missing exports for new classes
* public non virtual convertToQString, propertyByIndex
* removed left-over of watchdog
* virtual destructor for avionicsbase.h
(similar to remote aircraft provider)
* removed references
* made own aircraft context thread safe (reg. own aircrat data)
* removed the read only versions of the provider
* adjusted consuming methods
* renamed some functions ("ownAircraft...") to avoid ambiguity (with remote aircraft)