Changed GetBounds() to a property
Made the Joystick, Keyboard, and Mouse classes static
Merge pull request #43 from zsbzsb/vertexarraybounds

VertexArray.GetBounds() is now a property
Merge pull request #44 from zsbzsb/keyboardstatic

Changed input classes to be static
Merged `GetView()` and `SetView()` into property `View`

Signed-off-by: David Dorfman <wiz3kid@gmail.com>
Added zero vector constants

Signed-off-by: David Dorfman <wiz3kid@gmail.com>
Added `GetHashCode()` and `Equals()` to `Color`

Signed-off-by: David Dorfman <wiz3kid@gmail.com>