BuzzCut - Extended

BuzzCut is an awesome machine but i had issues with space and a few minor tweaks as i was having issues sourcing batteries and making my h/w fit

Changes
- expanded frame width by 4mm ( 2mm either side channel makes space for a slightly larger battery and to easily fit the cables
- widened lid and plow to suit
- added space for nut and bolt and added space in for power switch in lid
- added a spacer to the weapon arm and angled the motor mount by 45 degrees to fit BX1306 style motor