set up for adding stages from the workflow view
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into add_stage_button
allows you to add a stage
clicking the x deletes the stage if no name was added after showing a option box
clicking the create stage button doesn't make a StageModel until you type in a name and click the check button
changes the create stage toolbar icon
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into add_stage_button

Conflicts:
	TaskManager/src/main/java/taskManager/controller/WorkflowController.java
	TaskManager/src/main/java/taskManager/model/WorkflowModel.java
	TaskManager/src/main/java/taskManager/view/StageView.java
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into add_stage_button

Conflicts:
	TaskManager/src/main/java/taskManager/controller/StageController.java
fixed the error
only allows you to create one new stage at a time
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into add_stage_button
cleans the workflow controller
Merge branch 'dev-gradle' into add_stage_button