Fixed Keyboard Navigation in closed state

Allows Navigation of Webcontent with Keyboard while the expander isn't open
Update jQuery.GI.TheWall.js
Merge pull request #6 from sKaNoN/patch-1

Fixed Keyboard Navigation in closed state
new release
Merge branch 'master' of https://github.com/Goldinteractive/jQuery.GI.TheWall.js

# By Pascal Haltmeier (2) and Gianluca Guarini (1)
# Via Gianluca Guarini
* 'master' of https://github.com/Goldinteractive/jQuery.GI.TheWall.js:
  new release
  Update jQuery.GI.TheWall.js
  Fixed Keyboard Navigation in closed state