Fix compile errors and remove null pointer exceptions, known issue, not displaying ViewTaskPanel
Merge branch 'mergefix-feature28' of https://github.com/R2-Team2/wpi-suite into mergefix-feature28

Conflicts:
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/controller/UpdateTaskController.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/controller/UpdateTaskRequestObserver.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/view/tasks/EditTaskPanel.java