update README.md

fixes #2 Microsoft IE and Edge support

Update bower.json

fixed percentage values for translate3d

bug fix

added class property

bug fixes for pinning, color, left, top

Merge branch 'master' of https://github.com/kasparsj/jquery-data-para…

…llax

bug fix

added top, left, width, height, backgroundPositionX, backgroundPositi…

…onY properties