Lulzbot TAZ stiffened X motor and bearing mounts

strengthened X Rod mount pieces for the Lulzbot TAZ printer (shown in green in the picture above). I noticed on the Stock TAZ that there was a lot of flex in the stock parts, especially if you try to increase the x belt tension. These parts add some stiffness to the existing parts, and remove some unused holes. They may also help with a slipping X belt (bot no guarantee on that)

UPDATED FILES 06-23-2013. Noticed the Z nut mounting holes were off in Y by 0.75mm

UPDATED FILES 06-24-2013. in