Update ignore folders
Importing working version of grunt-retinafy.
Committing test-images, import npm packages, commenting out unit-tests for now.
Remove dummy content
Fix name-output.
Update async module
Temporarily disable unit testing, make sure it passes though.
Adding keep_structure directory for testing
Change in API syntax,
major overhaul in task file: going fully async just like we're supposed to.
Cleanup
removing dummy leftovers