Code128 Scan Error in Barcode Scanner

I updated the Code128Reader class in the zxing all-in-one library to reflect the latest CPP version from zxing. This fixes an error in scanning Code128 barcodes. See this thread for more details:

https://code.google.com/p/zxing/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Type%20Status%20Priority%20Owner%20Summary&groupby=&sort=&id=1137