Vertical slider, gallery, custom events, access to slider information and more

• Added: mode gallery which you can use customized animations.
• Added: axis vertical.
• Added: custom events.
• Added: access to slider information.
• Improved: using transitionend instead of setTimeout.
• Improved: simplify functions.
• Changed: API name from tinySlider to tns.
• Removed: init function. The slider will be automatically initilized.
  And many fixes.