fixed broken empty directory when prompt does not start withl etter

added a different workaround for gradio mask bug with info in UI
switched to newer gradio version

fix broken prompt matrix

added an option to disable progressbar
added interrupt support to DDIM/PLMS

added a setting for padding when doing inpaint at original resolution

experimental support for negative prompts (without UI)
option to do inpainting at full resolution
Tooltips for UI elements

added mode toggle for img2img
added inpainting to readme