Had to fix api/dht.rst doc file so that Sphinx would actually
compile. Nicolas has obviously changed the layout of modules since
the first draft.

Docs now compile using current module structure. No other changes.
Small change to path name in conf.py
Merge branch 'create_documentation_iss4' of github.com:ciaranmooney/drogulus into create_documentation_iss4

Trying to resolve balls up