v2.1.0-beta.1

• Support ignoring scanimage -L #86
• Support external definition of devices #85
• Support multiple saned net hosts #84
• Add support for sane-airscan #83
• Scanservjs server not accessible after shutdown or reboot #82
• Handle batch operations for single page outputs #81
• Add pdf(low quality) as output format #79
• Mutiple device support #75
• User Interface Update #74
• Multipage batch scan: ADF #72
• Multipage batch scan: user prompts #70
• OCR using tesseract #13