Release version 1.1.0

[doomspork]

It's almost time to ship 1.1.0 — Hooray!

• [x] QR code support
• [x] Code 128 Auto-detection and multi-subset support
• [x] Support for image height/width
• [x] Demo updates for QR codes
• [x] Demo updates for Code 128 changes
• [ ] Documentation updates
• [x] Tag Master @ v1.1.0
• [ ] Tag Docker container @ v1.1.0
• [ ] Publish release announcements

[doomspork]

@jamesbrink can we release 1.1.1 on Docker now? I think that should close this out.