Add a gitignore file
Add a storyboard to the project
Yay! Add a 2nd storyboard and complete transaction between storyboards :)
Add a checkbox in TableCellView
Add a folder image and a title in TableView
Add a TreeNode
Using TreeNode root object in TableView
Insert tree items when a folder is taped on;
Add constraint to the tableViewCell and manipulate it in code by depending on the dept of the a tree item;
insert objects to TableTreeView;
Multiple layer trees
GUI enhance
Code clean up
Remove First Table View and Replace with Second View
Update Storyboard
Merge branch 'Interface'