Make default direction for next and prev configurable

Don't hardcode default for prev and next action to up and down.
This is helpful when you have the next / prev arrows placed
horizontally and want to do a left / right animation.
fixed #297
Merge pull request #309 from hongaar/maxwidth

fixed #297
Merge pull request #280 from xrmx/directions

Make default direction for next and prev configurable
Refactored title helper (see #295)
Padding option now accepts array e.g., padding: [15, 50, 10, 5])
Updated navigation directions
Support Google maps top level domains (fixed #294)
Overlay helper rewritten - #24; Updated DOM element re-injection #103
Fixed autoWidth/autoHeight if only one of them is set to
Add YouTube playlist support
Fix black background when fading out using older IE
Add support for Vimeo player URLs, to support cases where the video is hidden on the Vimeo site but embedding is still allowed (the 'Hide this video from Vimeo.com' option)
Merge pull request #327 from markashleybell/master

Add support for Vimeo direct embed URLs to media helper
Small updates
Small updates

- Included "fixed" position support detection (removed from jQuery since
v1.8)
- Switched meaning of animation direction option (e.g., moves to the
left for 'left' )
- Overlay bacground now uses transparent png image
- Media helper accepts shorter option syntax
adding gitattributes file
Updated few bugs; overlay helper
Updated version info
Fix converting values like 'auto' in getScalar()