Corrected GoPro Camera Parameters

Corrected the focal lenght to 2.8mm.
Merge pull request #1280 from jmachuca77/master

Corrected GoPro Camera Parameters
Use sysid and compid from mavlink heartbeat to communicate
Use target_system and target_component instead
UnitTests: target component and system should not be tested on the ItemTest
Merge pull request #1282 from DroidPlanner/sysid

Use systemid and componentid received from drone
Merge branches 'dp_3dr_services' and 'master' of https://github.com/DroidPlanner/droidplanner into dp_3dr_services

Conflicts:
	Core/src/org/droidplanner/core/MAVLink/MavLinkArm.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkCalibration.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkModes.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkParameters.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkRC.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkROI.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkStreamRates.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkTakeoff.java
	Core/src/org/droidplanner/core/MAVLink/MavLinkWaypoint.java
	Core/src/org/droidplanner/core/MAVLink/WaypointManager.java
	Core/src/org/droidplanner/core/drone/DroneImpl.java
	Core/src/org/droidplanner/core/drone/variables/HeartBeat.java
	Core/src/org/droidplanner/core/drone/variables/Home.java
	Core/src/org/droidplanner/core/drone/variables/StreamRates.java
	Core/src/org/droidplanner/core/drone/variables/helpers/MagnetometerCalibration.java
	Core/src/org/droidplanner/core/mission/MissionItem.java
	Core/src/org/droidplanner/core/mission/survey/Survey.java
	Core/src/org/droidplanner/core/mission/waypoints/Circle.java
	Core/src/org/droidplanner/core/model/Drone.java
	Core/test/org/droidplanner/core/mission/waypoints/SpatialCoordItemTest.java
Merge branch 'dp_3dr_services' of https://github.com/DroidPlanner/droidplanner into dp3