SmartSprites 0.2.10 download link.
Version number increase.
Added support for keeping sprite reference

Added support for keeping sprite reference in generated css files
Merge branch 'master' of https://github.com/ic3fox/smartsprites into ic3fox-master
SMARTSPRITES-90: rename the option to --mark-sprite-images, use spaces for formatting, actually use the new option in SmartSpritesTask.