Merge pull request #117 from thymikee/readme-update

Updated README.md with config info
Added viewport and X-UA-Compatible meta to head template
Removed meta viewport tag
Merge pull request #120 from thymikee/issue-118-add-meta

Added viewport and X-UA-Compatible meta to head template
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