- move TargetInfo and RunInfo docs into the new output API doc
- remove the old developer_reference/APIs.rst as obsolete
- Update output API tag reference to point to the new doc
- Move output processing API docs into developer reference.
- Add a section on output directory structure to user reference.
- Rewrite the output section of the user guide to provide a very
brief overview of the output directory and to link to the two
sections above.
Update the documentation and build system for producing documentation for
WA3 with support for automatic building on readthedocs.
Note: This is currently a WIP.