* added unload function to disconnect signals / slots and simulator
* changed remote provider to return signal/slot connections to manually disconnect functor connects
* flag so pause can freeze or continue AI aircraft
* slightly changed unload behaviour in simulator context
Remark: Tested for FSX only
Solves #424 for FSX
Also refs #351
* messages can be formatted with style sheet
* fixed: removed command from message
* added originator to command line
* msg parsing now in core
* using ITimestampBased for text messages and status messages
* allow to resize rows to content (view base)
* model / views for text messages
* removed old qt stylesheets
* removed unused functions / signals
* removed no longer used members / update timers
* Pass provider to contructors
* no direct access to monitor in other contexts
* refactored to member initialization
* adjusted asserts
* adjusted isXXObject methods
* changed create method for ContextNetwork to support empty context
* empty status message used as return value in empty context
* some improved comments and information
* QMetaObject::invokeMethod in tool.cpp as thread safe invocation
* common base class for threaded readers
* removed event class, using QMetaObject::invoke instead for forcing calls in main event loop
* stop methods for readers, as used for graceful shutdown (preparing for thread safe destruction of objects)
* graceful shutdown for network context
* calls in tool now via inkoke for thread safety (only thread safe methods called directly)
* friend CRuntime on top
* fixed some public constructors (made protected)
* Also made registerWithDBus protected
* Fixed some copy/paste issues in getIContextXXX
* Reordered private/public sections
* In order to configure how a context is deployed, a runtime config object has been added
* Context now only can be obtained from the runtime, the constructors of contexts will be no longer public
* The runtime is responsible for connecting signal/slots among contexts
* The runtime reads the settings
