Squashed 'libertree-frontend-ramaze/' changes from 295ef67..725752d

725752d update libertree-model

git-subtree-dir: libertree-frontend-ramaze
git-subtree-split: 725752d741f1bcfe9390feede49b12a90e2089f8
Merge commit 'ea5214a8fb5be30a358036168663e552a8487aef'
Squashed 'libertree-backend-rb/' changes from fcd318c..1a72a8b

1a72a8b update libertree-model

git-subtree-dir: libertree-backend-rb
git-subtree-split: 1a72a8bb4db6ee3ac47f2087f678f0761ac30aa2
Merge commit '6934af93455be08f7792217e2a13cf5cb2e67847'
Squashed 'libertree-model-rb/' changes from 321c0b6..4e94dd3

4e94dd3 update version
36d964e fix notif grouping test
59927df add failing test for notif grouping

git-subtree-dir: libertree-model-rb
git-subtree-split: 4e94dd39a95492b32666c0c0f86955a71111e5d6
Merge commit '5a98f6218c5026dd3bee4410883c2f4b8be492ef'