Make multiple bookmarks/notes selection stable across devices.

Also simplify some edit bookmark/note dialog methods.
Enable logout on sync settings only when logged in
Why should we separate logout and account selection? Make it a single item.
Show a profile picture next to the sync account.
Preferences to turn on/off sync according to sync set, and (TODO) show last sync and rev
Add sync now menu item on sync settings to force sync right now
Put a "last synced" summary to sync settings
Circle crop profile picture
SyncRecorder: store sync logs to database for main events for debugging later
fix build scripts, bump version