January priorities

[simra]

• [x] downgrade predict_api to B1 plan
• [x] new user queue
• [x] optional prediction for image POST requests
• [ ] restore old annotations
• [x] various UI enhancements- task status, user permissions, gear icon
• [x] prev/next image in image view

[simra]

Re UI enchancements, remaining tasks:

• [ ] image delete confirmation dialog
• [ ] save hints on user save dialog
• [ ] ugly delete button on notes
• [x] headstamp notes?