added update project instructions
Squashed 'dflow/' changes from 93a664e..9b570bb

9b570bb updated underscore dep

git-subtree-dir: dflow
git-subtree-split: 9b570bb561b1fb2acb9d9f80d246dadb89723839
Merge commit 'cdb7fddb8d4f97dcfed2b4500ad437cf0bc60ec6'