Clone of my GSoC branch hosted at Blender's git servers soc-2017-normal-tools
https://developer.blender.org/diffusion/B/browse/soc-2017-normal-tools/
https://wiki.blender.org/index.php/User:RohanRathi/GSoC_2017/Proposal
https://wiki.blender.org/index.php/User:RohanRathi/GSoC_2017/Reports
https://blenderartists.org/forum/showthread.php?427746-GSoC-2017-Normal-Editing-Tools
https://wiki.blender.org/index.php/User:RohanRathi/GSoC_2017/User_Documentation
Do note that this branch does not include any other work not associated with Normal editing.