- Added a borderColor_ attribute to EntitiesSet template class. Added a getter and a setter.
- Added a DEFAULT_BORDER_COLOR constant.
- Added a borderColor argument to the constructors of LightsSelection and EntitiesSet classes.
- LocalLightsSelection's constructor now passes to LightsSelection's constructor the color given by the server as an argument.
- EntitiesSet now uses its borderColor_ attribute when executing EntitiesSet::drawAll() method.