grl 4.1.0 release

add missing contributors

KUKA INNOVATION AWARD DEMO CODE better exception catching, activate v…

…elocity planning for 0.1 seconds at destination, support for KUKA flexFELLOW iiwa cart's LED lights to provide better mode indicators

Bugfix: KukaLLBRiiwaVrepPlugin moves arm in JAVA simulation again. Ar…

…m wouldn't move because kukaFRIThreadSeparatorP wasn't running.

Fixed if statement that didn't match in cmake

grl now works both independently and as a module of a parent project