Fixed two nodes
Merge branch 'master' of https://github.com/sanmarh1/multicopter

Conflicts:
	client_node/config/costmap.yaml
	client_node/launch/costmap.launch
	client_node/launch/hector_slam.launch
	launch
	multicopter_map/config/costmap.yaml
	multicopter_map/launch/costmap.launch
	multicopter_map/launch/hector_slam.launch
	multicopter_map/launch/rplidar.launch
	server_node/config/costmap.yaml
	server_node/launch/costmap.launch
	server_node/launch/hector_slam.launch
	server_node/launch/rplidar.launch
	server_node/launch/server.launch