copy over fields when sending to img2img: https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/1029

added more robust detection of last line with parameters for pasted prompts

removing duplicated requirements (transformers, diffusers) and reorganizing alphabetically to be able to spot duplicates in the future.

Prevent writing to arbitrary directories, as usual

 Fix to XY_Grid script console progress bar and other progress bar improvements #890 

Clear no longer needed VRAM during a 'highres fix' generation created during the first sampling before doing the second (img2img) sampling. Makes it possible to use the feature on an 8GB card.