JincResize-r7.2

• Add parameters quant_x, quant_y for controlling sub-pixel quantization.

• Rename parameters, keeping consistent with AviSynth plugins.

  • crop_left -> src_left
  • crop_top -> src_top
  • crop_width -> src_width
  • crop_height -> src_height

• Give up using AVX2 on calculating convolution for 8~16bit input.