Disable the delete button when you make a new task
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into disable_delete_button

Conflicts:
	TaskManager/src/main/java/taskManager/controller/EditTaskController.java
make the tests use the string constants
Merge branch 'constants-in-tests' into dev-gradle
merge branch disable-delete-button into dev-gradle
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into input_validation

Conflicts:
	TaskManager/src/main/java/taskManager/view/EditTaskView.java
fixes the issue where it was not selecting the correct stage in the dropdown
disables the actual effort field unless the task is in complete
 makes the input controller a focus listener as well
adds methods to return delete and save buttons for test
adds new tests for input vaildation
cleans up some comments