v1.1.0-beta.2 Windows 7: Use an alternate mechanism for notifications (#1812) Retry failed signed key rotation; start rotation when registered (#1772) Dev: - Update to electron-builder 19.29.0; may allow windows shortcut to stay deleted on update (#1804) - aptly.sh: Instructions for pruning old packages from repo (#1771) - Update development branch to include everything up to v1.0.39 https://github.com/WhisperSystems/Signal-Desktop/commit/0e328f39114a10afea2eed60d0133fe5e1acc4a9