Dependency Graph Generator

[Manonich]

There should be the possibility to derive a dependency graph depending on toolsets etc. for projects (jamroot). Preferably in json format. The graph should contain the following dependencies:

• libraries
• includes
• sources

[stale]

Thank you for your contributions. Main development of B2 has moved to https://github.com/bfgroup/b2
This issue has been automatically marked as "transition" to indicate the potential for needing transition to the new B2 development project.