Squashed 'libertree-frontend-ramaze/' changes from 45b0364..7a5c334

7a5c334 update gpgme
3fe6be0 specify what monospaced fonts to use
81ffa70 update libertree-model

git-subtree-dir: libertree-frontend-ramaze
git-subtree-split: 7a5c334ba1b81f7574c9565a150237199419613a
Merge commit '18da961abc36c053e64706e096c5ed5f7be742e9'
Revert "bundle to vendor directory"

This reverts commit 6f355157238abb86046f3e6cfd2d1e9f67554273.
update versions