Squashed 'lib/meta/' changes from c5dbef1..83fbe50
Squashed 'lib/meta/' changes from c5dbef1..83fbe50

83fbe50 Move demangle utility to metapushkin library

git-subtree-dir: lib/meta
git-subtree-split: 83fbe50abc6b16c1233f115e785318ec94fd12ff

zmij/wire