adding entity manager for stages
task entity manager
stages can be added to the db now
can now store tasks in the db
removed some old db entity managers
some progress towards updating tasks
resizing bug fix
Merge branch 'dev-gradle' into database-persistence

Conflicts:
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/controller/AddStageController.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/controller/AddTaskController.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/model/StageModel.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/model/TaskModel.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/view/AssignUsersView.java
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/view/TaskViewExpanded.java
merge fixes
small fix for stored users
intermediate progress on giving workflowmodel the list of tasks instead of stagemodel
continuing work on updating tasks after clicking edit
more stuff
more
tasks can now be saved and updated in the database
progress
changes to updated tasks
started to reorganize some things
fixed removing stages
big stuff