- Replace ConversationListStore with ConversationListModel
- Replace GtkTreeView with GtkListBox
- Implement proper multiselection for ListBox
- Rework navigation to be touch friendly
Fork of John Renner <john@jrenner.net> merge request !698
HdySwipeGroup is deprecated since libhandy 1.4.
- Split headerbar into 3 components
- Remove HdySwipeGroups/GtkSizeGroups used for syncing headerbar with content.