bump versions (but leave grunt-sass unchanged
Add imagemin (includes SVG optimalization)
Add automatic SVG fallback
Configuration fixes
Replaced do_not_delete_me.png with .keep and added dot option to watch
Preliminary spritesmith configuration
Let spritesmith+phantomjs ide die; use pngsmith. Add custom sprites stylesheet templates.
Merge pull request #121 from yuijim/issue-91

Issue 91