RosParam: use the return value of the "return by reference" get functions to indicate success
RosParam: use the return value of the "return by reference" get functions to indicate success

if a default value is specified, using the default in the case of a parameter's absence is ALSO treated as a successful get.

beanstalk42/ROS.NET,nickkazepis/ROS.NET,nickkazepis/ROS.NET,uml-robotics/ROS.NET,nickkazepis/ROS.NET