[M] Initialize coron-4.2 manifest repository. Apache License V2.
Create README.md
Update README.md
Update default.xml. Add reference repository.
Update default.xml
Update README.md
Update default.xml
Update README.md
Update README.md
Update README.md
Update default.xml
Update README.md
Update README.md
Update README.md
Update Developer-Guide.pdf. Add Pro.Git-zh_CN.pdf
Merge branch 'coron-4.2' into coron-4.1