ball texture update and swingIcon

Added ambient light (from offline level_full) to level_full
Changed ball prefab texture
Added 2d club image to indicate when ready to swing
Removed net_swing's gui textbox and replaced it with a ball glow and
swing_icon
Added camera for HeadsUpDisplay to level_full
Merge pull request #241 from osse101/ballText

updated ball prefab texture and  'in range of ball' indicator