Create BookmarkSyncManager class and add bookmark synchronization related methods to OwncloudSyncBackend
Bookmark diff & merge, work in progress
More bookmark diff & merge, still work in progress
Update cached timestamp after upload
Make "sync now" button in settings page functional
Add bookmark synchronization support to QML bindings
Add merge conflict dialog
Attempt to improve conflict handling
Fix two critical synchronization bugs
Draw only new widgets on ConflictDialog, delete old ones properly
Add conflict resolution support to QML bindings
Add enable/disable toggle for bookmark sync
Make placemark name and description data available as QStrings via properties