[PATCH 1/2] doc: build and install doxygen api docs

[David Bremner]

David Bremner <david at tethera.net> writes:

> Add to the build-man and install-man targets. We also stop hardcoding
> the version information into doxygen.cfg

There are (at least) two outstanding issues with this patch:

- configure needs to check for doxygen and disable api docs 
  if not found.

- it doesn't work for out of tree build.

So more work for me I guess.

d