Always use filesystem encoding for all file and handle reads and writes.

This is a big scary change. I have convinced myself it should be safe. I
hope!

Assistant/TransferrerPool.hs

@@ -74,8 +74,6 @@ mkTransferrer program batchmaker = do
 		, std_in = CreatePipe
 		, std_out = CreatePipe
 		}
-	fileEncoding readh
-	fileEncoding writeh
 	return $ Transferrer
 		{ transferrerRead = readh
 		, transferrerWrite = writeh

Assistant/WebApp/Control.hs

@@ -74,5 +74,5 @@ getLogR :: Handler Html
 getLogR = page "Logs" Nothing $ do
 	logfile <- liftAnnex $ fromRepo gitAnnexLogFile
 	logs <- liftIO $ listLogs logfile
-	logcontent <- liftIO $ concat <$> mapM readFileStrictAnyEncoding logs
+	logcontent <- liftIO $ concat <$> mapM readFile logs
 	$(widgetFile "control/log")