The naming of the 'help wanted' section is unclear, and unhelpful.
Additionally, most of the items listed in it are not actually part of
the contribution process:
- While *Documentation* is welcome, it is not helpful to document the
kinds in the contributing document. The contributing document should
document *how*, not *what*.
- The *Issues* section is out of place: I doubt anyone will look at the
*contributing guidelines* to find out how to open an issue.
The content is also pretty self-explanatory.
- What's left is only 'Contributing Code', so promote it!
Updated the link to the coding conventions in CONTRIBUTING.md and MAINTAINING.md
to no longer point to the wiki, but to CODING_CONVENTIONS.md in the RIOT
repository.
