Added support for Grunt

Use UglifyJS to compress CodeMirror scripts
Lint JavaScript with JSHint
Added imagemin Grunt task
Use Compass for CSS

Organized assets into subdirectories
Added Grunt Compass task
Use the box shadow mixin
Added Grunt watch task
Update table-mp6.css
Added SVG minify Grunt task
Revert "Added SVG minify Grunt task"

This reverts commit c7dc48f30862d34c8a45f8232e78f22c4dd2143e.
Merge pull request #9 from bungeshea/feature/grunt

Add support for Grunt and Compass
Merge branch 'feature/grunt' into develop
Merge branch 'develop' of https://github.com/bungeshea/code-snippets into develop
Merge branch 'develop'