#14: script output has been improved: now signals are used for it;
One more script has been added to the demo project;
Linkage errors have beeb fixed;
Ctrl+S has been implemented for active script;
Linkage for tests has been fixed;
Iterating over services has been added to the service locator;
Simple completer class (empty) has been added;
Explore function has been added to the scripting;