Fixed a bug with dead (non-user) keys from RAWINPUT leaking into the Keyboard State. Example: LeftShift was automatically included with any Up/Down/Left/Right arrow keys, contrary to standard XNA behavior
Added BoolSerializer.
We now throw on unhandled primitive types.
Fix for non-public getters.
Added comment about source of tests.
Getting properties/fields on base types now.
Refactor ContentSerializerAttribute and fixed default to allow nulls.
We now support properties that return classes and have no setter.
Fixed ReflectiveSerializer to recursively call deserialize.
We now more correctly support ContentSerializerAttribute.
Some more comments.
Further refined rules for property serialization.
Fixed case where parsing failed on empty element tags.
Added support for "Null" attribute.
Added enum serializer support.
Fixed default CollectionItemName behavior.
First pass at array serialization.
Removed ContentTypeSerializer attribute from ArraySerializer<>.
First pass at list serialization.
Start on Android fast app resume.

Ref: http://forums.xamarin.com/discussion/621/androidgameview-pause-without-losing-gl-context/p2
Move DeviceResetting to when the Context is lost, which is where it should be now. Fast app resume works!

Fixes #2600
Add a listener for ScreenSize changes too so we get killed less often, requires building with SDK 3.2+ (4.0+ with Xamarin)

ref http://forums.xamarin.com/discussion/comment/60864/#Comment_60864
Mostly cleanup of unused code.