Added method to enable routing with navigation list.

Added method: $.UITrackHashNavigation(). This start hash tracking while
navigating forward and backward using navigation lists or
UINavigateToView, etc.
Bumped version to 2.1.5

Fixed issue with spinner/popover placement on Android.
Update for navigation.
Updated array methods for ChocolateChipjs.
Version 2.1.6: Supports Windows Phone 8

Added support for Windows Phone 8, this only works with ChocolateChip
and jQuery -- Zepto is not compatible with the Windows Phone.