Added Gesture Content View

Gesture content view supports attaching gestures to any of it's content
children.
Supported Gestures: SingleTap, DoubleTap, LongPress,
SwipeLeft,SwipeRight,SwipeUp,SwipeDown
Gesture update

Added Accuracy and MinimumSwipe Length to the GestureContentView.
Improved origin detection for gestures
Fixed a bug in the gesture listener that was raising incorrect gestures
(copy paste code = BAD).
Renamed GestureContentViewRenderer to GesturesContentViewRenderer for
consistenancy
Spelling ;(
Web client changes
Include serializer wrapper on NET45 ServiceStack
Finalized gesture design

Finalized gesture design
Added CarouselView to show the flexibility of the templateselector
gesturecontentview and templatecontentview working together.
Removed old code.
Merge pull request #456 from Choran66/master

Finalized the Gesture Destign
updated CheckBoxPage sample
Fix to Android PopupLayout
Removed unneeded NuGet targets for Web
Enhanced exception checking in RestCoreClient
REST client changes
Merge remote-tracking branch 'upstream/master'