get rid of weave
added new util, about to re-add subtree
remove util for re-adding
Squashed 'util/' content from commit 48630c4

git-subtree-dir: util
git-subtree-split: 48630c4f7fe549aa0725bb9506ee2a373047b3eb
Merge commit '5eaee9e9ac70de7243acc76db853bd156941d230' as 'util'