add changelog for 1.4.0

## 1.4.0

### Features:

 * zoom controls for inpainting

 * run basic torch calculation at startup in parallel to reduce the performance impact of first generation

 * option to pad prompt/neg prompt to be same length

 * remove taming_transformers dependency

 * custom k-diffusion scheduler settings

 * add an option to show selected settings in main txt2img/img2img UI

 * sysinfo tab in settings

 * infer styles from prompts when pasting params into the UI

 * an option to control the behavior of the above

### Minor:

 * bump Gradio to 3.32.0

 * bump xformers to 0.0.20

 * Add option to disable token counters

 * tooltip fixes & optimizations

 * make it possible to configure filename for the zip download

 * `[vae_filename]` pattern for filenames

 * Revert discarding penultimate sigma for DPM-Solver++(2M) SDE

 * change UI reorder setting to multiselect

 * read version info form CHANGELOG.md if git version info is not available

 * link footer API to Wiki when API is not active

 * persistent conds cache (opt-in optimization)

### Extensions:

 * After installing extensions, webui properly restarts the process rather than reloads the UI 

 * Added VAE listing to web API. Via: /sdapi/v1/sd-vae

 * custom unet support

 * Add onAfterUiUpdate callback

 * refactor EmbeddingDatabase.register_embedding() to allow unregistering

 * add before_process callback for scripts

 * add ability for alwayson scripts to specify section and let user reorder those sections

### Bug Fixes:

 * Fix dragging text to prompt

 * fix incorrect quoting for infotext values with colon in them

 * fix "hires. fix" prompt sharing same labels with txt2img_prompt

 * Fix s_min_uncond default type int

 * Fix for #10643 (Inpainting mask sometimes not working)

 * fix bad styling for thumbs view in extra networks #10639

 * fix for empty list of optimizations #10605

 * small fixes to prepare_tcmalloc for Debian/Ubuntu compatibility

 * fix --ui-debug-mode exit

 * patch GitPython to not use leaky persistent processes

 * fix duplicate Cross attention optimization after UI reload

 * torch.cuda.is_available() check for SdOptimizationXformers

 * fix hires fix using wrong conds in second pass if using Loras.

 * handle exception when parsing generation parameters from png info

 * fix upcast attention dtype error

 * forcing Torch Version to 1.13.1 for RX 5000 series GPUs

 * split mask blur into X and Y components, patch Outpainting MK2 accordingly

 * don't die when a LoRA is a broken symlink

 * allow activation of Generate Forever during generation

## 1.3.2

### Bug Fixes: