WIP: Add actions

Add tasks and actions for the robot to perform them.

actions_manager/nodes/actions_manager.py

@@ -2,10 +2,10 @@
 
 import threading
 from time import sleep
-from actions_manager.position import Position
-from actions_manager.tasks.goto import Goto
-from actions_manager.tasks.wait_for_pullcord import WaitForPullcord
-from actions_manager.robot import Robot
+from position import Position
+from tasks.goto import Goto
+from tasks.wait_for_pullcord import WaitForPullcord
+from robot import Robot
 import rospy