Resample Layer bug

[ovoronkov]

synopsys-caffe/src/caffe/layers/resample_layer.cu

Lines 62 to 63 in b3c4a6b

	float x_in = x_out * fx + fy / 2.0f - 0.5f;
	float y_in = y_out * fy + fx / 2.0f - 0.5f;

According to bilinear interpolation formula should be:
x_in = (x_out + 0.5) * fx - 0.5
y_in = (y_out + 0.5) * fy - 0.5