Hokuyo: Implemented using the URG driver (added dummy implementation)

scenarios/LaserScannerTest/LaserScannerTest.scx

scenarios/LaserScannerTest/config/HokuyoLaserUnitApp.cfg

...s/LaserScannerTest/config/LaserScannerUnitObserverApp.cfg

scenarios/LaserScannerTest/config/global.cfg

source/RobotAPI/applications/CMakeLists.txt

...tAPI/applications/LaserScannerUnitObserver/CMakeLists.txt

...e/RobotAPI/applications/LaserScannerUnitObserver/main.cpp

...ce/RobotAPI/components/units/LaserScannerUnitObserver.cpp

source/RobotAPI/components/units/LaserScannerUnitObserver.h

source/RobotAPI/drivers/HokuyoLaserUnit/CMakeLists.txt

source/RobotAPI/drivers/HokuyoLaserUnit/HokuyoLaserUnit.cpp

source/RobotAPI/drivers/HokuyoLaserUnit/HokuyoLaserUnit.h

source/RobotAPI/interface/units/LaserScannerUnit.ice