Sass template integration based on the less template

[markmoulard]

No description provided.

[markmoulard]

I've created a Sass template based on the existing Less template to export the sprites on Sass format too

[markmoulard]

I've commited a new version : now stitches can support responsive design with the percentage unit (all the template can be used by pixels or by percents)

[markmoulard]

I've added a more efficent compact layout by redefining the intersection algorithme for the base layout and i've optimize the loading time by desactivating the overlay as soon as the spritesheet is computed

[markmoulard]

I've fixed a bug with the export command : when a sprite was deleted, the export file contains many obsolete data

[markmoulard]

I've added a parent-width/parent-height property for each sprite for exporting sprite-sizePercentage classes in the css/less/sass export for responsive web design, and added some options for exporting frame