In same step cleaned up contexts a bit
* added function for model set strings
* renamed functions to getModelSet... instead of installed models (the set is smaller and is what we want to use with DBus)
* signal when debug/log flags changed
* removed some \copydoc
* allow to enable/disable rev.lookup/matching messages
* removed reload model function (dangling)
All model matching will be done simulator independent in
CContextSimulator. The simulator specific part is kept in the model
set.
This also caused the signal modelMatchingCompleted to be renamed to
aircraftRenderingChanged, since the name wasn't accurate anymore.
Both getInstalledModels(), getInstalledModelsCount() and iconForModel()
were removed from the ISimulator interface.
refs #765
When a plugin is loaded, existing aircrafts should not be added
immediatly, but as soon as the simulator is simulating.
CContextSimulator also handles now the case that no simulator is
attached and all aircraft slots are now doing nothing instead of
raising an assert.
refs #549
