Farmbot fixes
Farmbot fixes

Fixed a few bugs in the construction code, before realizing there were a lot more bugs in the move_to_target() code, giving up and disabling it pending rewrite.

ZomgPonies/Paradise64,ZomgPonies/Paradise64,ZomgPonies/Paradise64,ZomgPonies/Paradise64,ZomgPonies/Paradise64,ZomgPonies/Paradise64