Added note to Cache demo on Safari behaviour.

Also reformatted the code.

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Updated documentation of the DisplayObject/mouseEnabled property.

Also reformatted some of the other docs in DisplayObject.

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Updated docs.

Signed-off-by: Lanny McNie <lanny@gskinner.com>