fixed: NicoCookable to throws error in case login-failed.
fixed: GetThumbInfoAPI to throw error by error-code(including deleted type).
commented: VideoLoader for delete-way.
fixed: WatchPageLoader only remove meanless line.
fixed: remove ITubeUploadInfo.account, devInfo because its no-need property.
fixed: fixed VideoEntries for details getting failed case, and someReason of videoEntries Tables.
add prevStatus, someReason column to NicoTubaDatabase's videoEntry table