Updated GUI combo box element
Updated GUI combo box element

each unit of time offered by the timer correlates to the round types

preliminary round - 30 minutes
final round - 60 minutes
and a testing unit of 10 minutes has also been added

BCLab-UNM/SwarmBaseCode-ROS,BCLab-UNM/SwarmBaseCode-ROS,BCLab-UNM/SwarmBaseCode-ROS,BCLab-UNM/SwarmBaseCode-ROS,BCLab-UNM/SwarmBaseCode-ROS,BCLab-UNM/SwarmBaseCode-ROS