v1.2.0

• Improve installation process: #108, #110, #111, #117, #146, #148, #152
• Add new option --probabilities in ocropus-rpred #135
• Fix and improve hocr metadata: #105, #160

Bugfixing: #103, #123, #140
Cleanup: #84, #124, #143, #150, #156
Documentation: #120