Implemented TaskModel and minor changes to related files
assigned users are now Set instead of List
throw exception for invalid effort setting
Merge branch 'task-manager-base' into model
Updating model to most recent task-manager-base.
Implemented basic ActivityModel
Adding unstable changes & some basic functionality to the models
Removing IDs from Stage and Workflow
Added RequirementManager to gradle dependencies
Adding a silly comment
Merge branch 'model' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into model
Not sure why this is merging.
Added requirements back to TaskModel
Merge branch 'model' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into model
Adding comments
Merge branch 'model' of https://github.com/slash-slash-no-comment-WPI-cs3733/wpi-suite into model
More comments, including headers
trying to a new module
Merge branch 'dev-gradle' of github.com:slash-slash-no-comment-WPI-cs3733/wpi-suite into UI-design
Revert "trying to a new module"

This reverts commit 065297a9abe3aeec9892ab4b3fe222b51cc243e0.
Merge branch 'UI-design' of https://github.com/slash-slash-no-comment-WPI-cs3733/wpi-suite into UI-design
Adds interfaces for TaskView, WorkflowView, CommentView and StageView. Adds UI components for Task, Stage and Workflow with example stages and tasks