Merge branch 'smilledge-feature/bower'

Add support for Bower

Slider demo - set height on .slider-strip

Update README - Cross Origin CSS backgrounds.

Set crossorigin attribute to empty string.

Cleanup.

1.2.2

Link to Cross Origin CSS Backgrounds example.

Additional tests for multiple backgrounds, use data URI for 'image/1.jpg'.

New example - Cross Origin CSS backgrounds.

Git ignore.

Do not reject data URIs while processing CSS backgrounds.

1.2.1

Fix broken examples on IE9.

Fix issue #11.