Merge branch 'r/1.0.7' into develop
Update YouTube video
Prevent child plugins from loading unless users are logged in. Thanks @bradyvercher for getting me to look at front-end performance again. http://poststat.us/styles-plugin-css-customization/#comment-46214
Add comment to styles output. Don't load Styles_CSS if not needed for output.
Add CSSTidy and Styles_CSS::minify()
Allow minification to be disabld with filter.
Version bump
Merge branch 'r/1.0.8'