* 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)
* support for loading from datastore
* improved timestamp handling
* new color and country classes
* new attributes
* updates for missing parts in CUser
* common base class for DB based classes
* common base class for DB based containers
* Livery, distributor value class
* adjusted value classes to livery
* utility functions for DB values (blackmisc free functions)
* register new objects with metadata system