fixed: RankingLoader as delay load, changed codec from utf8 to iso.
fixed: added YoutubeInformation.UploadRestrict.isUploadable(length).
added GlobalAlert, and its status, db.
added: GlobalLogger.
fixed: added ITaskIterator.onStartWouldHaveNextWait delegate method.
fixed: kill VideoEntriesFacade, NotesFacade and join one as NicoTubeDatabaseFacade.
to avoid database lock.