[thunderbird/f19] Sync prefs with firefox - rhbz#1134876, rhbz#1110291, mozbz#1063315

[Martin Stransky]

Summary of changes:

  d9fc676... Sync prefs with firefox - rhbz#1134876, rhbz#1110291, mozbz (*)

(*) This commit already existed in another branch; no separate mail sent