Add tabs
Fix compile/hot swap menu items
Fix hint menu item
Fix error when closing last window
Fix tab names on Windows
Add "- Elm" to window title on non-OS X
Add previous tab menu item to menu on Windows
Use a nicer menu system
Use Aluminum
Use Ace
Remove a log
Add Elm mode for syntax highlighting
Add strings and fix comments in Elm mode
Implement hot swapping
Declare EditorWindow type
Fix app icon fields
Remove "Expand Hint" menu item
Add multiline strings to Elm mode
Add markdown literals to Elm mode
Use two-space soft tabs