sensor_placement: add dynamic reconfigure config
sensor_placement: add dyn reconfigure capability
sensor_placement: cleanup
sensor_placement: add test client for automatically testing several configurations
sensor_placement: test_client calls now action directly and prints to file
sensor_placement: add coverage as result to action
sensor_placement: fix some typos and add result output to greedy PSO
sensor_placement: add more functionality to test client
sensor_placement: more output in  test node, also adds publishing of forbidden area
sensor_placement: add longer lists for iteration to test_client
sensor_placement: add correct Greedy test and Greedy on Perimeter test
Merge pull request #23 from ipa-mig/feature/dynamic_reconfigure_pso

add dynamic reconfigure functionality to sensor placement