This unifies the version update checker's UI. It also allows us to show detailed info for a new version.
This imports OpenVanilla's OVNonModalAlertWindowController for the alerts.
This commit: * Creates a new top-level Xcode project file * Renames remaining Lettuce (the original codename) uses to McBopomofo * Renames English.lproj (the old style locale name) to en.lproj
Lukhnos Liu