* added functions to callsign / callsign list
* used in aircraft matcher
* also resolve std.livery in matcher
* also allow to find aircraft ICAO designator ending with string (e.g. 737 for B737)
* renamed CAircraftMatcher::reverseLookup -> CAircraftMatcher::reverselLookupModel
* threadsafe isInRange (CAIrspaceMonitor)
The following issues were fixed
* Fixed wrong/missing namespaces
* Fixed obvious typos in documentation
* Documentation not in sync with source code
refs #544
* DBus mixins moved to dbus.h
* Json mixins moved to json.h
* Icon mixin moved to icon.h
* Comparison mixins moved to compare.h
* Hash and string mixins moved to blackmiscfreefunctions.h
* Index mixin moved to propertyindexvariantmap.h
* MetaType mixins moved to variant.h
* registerMetaValueType moved to variant.h
* valueobject_private.h renamed to variant_private.h