move toPoint to Interpreter from configglobal.h
define std::map<uint,double> as positionmap
added StopCommand
way to determine CommandTarget for StopCommand
added Interpreter and companion CommandIdentifier for recognizing commands from string
include headers of all type of commands in one header to simplify inclusion elsewhere
update test upon Interpreter
deletion of elements was enabled again

assuming commands can be only created by Interpreter
merge remote change on test about commands