* Refactor transaction hooks. Add preCommit
* Add BlobStore
* Use blobStore for tag images
* Use blobStore for studio images
* Use blobStore for performer images
* Use blobStore for scene covers
* Don't generate screenshots in legacy directory
* Run post-hooks outside original transaction
* Use blobStore for movie images
* Remove unnecessary DestroyImage methods
* Add missing filter for scene cover
* Add covers to generate options
* Add generate cover option to UI
* Add screenshot migration
* Delete thumb files as part of screenshot migration
WithoutPants