runLocation property Null safety

1. irte_engine
2. run_location_controller
3. RunLocationController
4. runLocation property

RunLocationController class

1. Constructors
2. RunLocationController
3. Properties
4. hashCode
5. hasListeners
6. initialized
7. isClosed
8. listeners
9. onDelete
10. onStart
11. points
12. runLocation
13. runtimeType
14. syncController
15. Methods
16. $configureLifeCycle
17. addListener
18. addListenerId
19. addLocation
20. clearLocations
21. dispose
22. disposeId
23. getRunLocations
24. loadCurrentRunPoints
25. noSuchMethod
26. notifyChildrens
27. onClose
28. onInit
29. onReady
30. refresh
31. refreshGroup
32. removeListener
33. removeListenerId
34. startListening
35. toString
36. update
37. updateRunLocation
38. Operators
39. operator ==
40. Static properties
41. instance