Mar 10, 2016

[1.0.5]
* Backup data file(cell phone migration)
* Change parent task
* Change sibling tasks' style
[1.0.3]
* Fix bug in settings page
[1.0.2]
* Restore last selected project
[1.0.1]
* App released
* Project plan checklist, Todo list, Tasks
* Highlight task name color, change text size, style
* Create unlimited depth task tree viewer
* move selected sub tasks within its task group by drag & drop(in edit mode, when clicking left icon)
* Expand or collapse sub tasks