added component.json
fixes webkit error with 0.xx numbers.

Webkit has the behavior  to display a number. For example. in webkit you
divide the screen size by 3. and use this percentage for the css left
property. This library returns for the offset().left a 0.33xxxx which
has to be 0 or 1.
Merge branch 'gh-pages' of github.com:MvHMontySCOUT/jquery_viewport
Merge branch 'features/bower-compatibility' of github.com:sdepold/jquery_viewport
Support for hidden elements added to viewport.

Conflicts:
	jquery.viewport.js