I forgot what I changed. Rename something, new something about note
Merge branch 'master' of https://github.com/shaokanp/trip
Note placement finished.
When "new pin" clicked, the Pins.NewView is created.
Pins.NewView is the container of Pins.Info_View.
Pins.Info_View has 'new' mode and 'display' mode.
When editing a pin, the Pins.ShowView is created.
Pins.ShowView is the container of Pins.Info_View (in 'display' mode) and Notes.NoteListView, where notes will be placed.