Squashed 'app/assets/stylesheets/skin/' changes from f3398ac..a9a3365

a9a3365 Transfer everything from styleguide to skeleton

git-subtree-dir: app/assets/stylesheets/skin
git-subtree-split: a9a3365bc5168898aea1da01c130cbb44f3fb9ef
Merge commit '2038f1bea82aa623a2edf4570267193bc39bb1e0' into test/subtree
Use updated skeleton stuff