DAR-2627 | Fix param passing to wikia_sass.rb to allow '=' in values
DAR-2627 | AdSkin loader
DAR-2627 | Make nessesary changes to AdTemplateSkin logic
DAR-2627 | Rename AdSkin to BackgroundChanger
DAR-2627 | leftover
DAR-2627 | make nessesary changes to AdTemplateSkin.js
DAR-2627 | Fix comment
DAR-2627 | After CR change
Merge pull request #1910 from Wikia/DAR-2627

DAR-2627 | Make AdSkin for refactored background