Squashed 'app/' changes from 9223ef1..5ebae0e

5ebae0e added optional noapp flag to exclude application css/js assets

git-subtree-dir: app
git-subtree-split: 5ebae0ef01cec1d9d3cd76ed538624041667fb32
Merge commit '9dd2de382c543c616e2e981dd4fcfd1268484141'