[slideout] Replace image with CSS Transform

Initial work
[slideout] CSS transform: IE7 and IE9

TODO: IE8 and cleanup
[slideout] IE8 rotation
Slideout: Rebase and merge IE8 sheet

Fixup for gh-1298
Merge pull request #1301 from nschonni/1298-fixup

1298 fixup: Using text transform for Slide Out instead of pictures