Fix bug that the back button title is not correct
Add title of editing file name
Deactivate focus if tap the title
Add help button
Add HelpViewController
Add UIBarButtonSystemItemAdd button
Display a alert
Add a text fileld to the alert
Support NSUserDefaults
Add table element
Change default color (color..Black, background..White)
Refine template code
Remove a directory path and Add the ".rb" extension
Alert if file already exists