letsgofloat iop: implement OpenCL kernel!
Temperature iop: Fix process_cl
Invert iop: implement OpenCL kernel (1f)!
Invert iop: implement OpenCL kernel (4f)!
iop_dependencies.py: add letsgofloat
Run iop_dependencies.py after merge!
Temperature iop: show enable button
Temperature iop: disable piece if preset == passthrough