separate requirements file for docs
sphinx-quickstart generated files
adding initial docs
not needing the extra requirements file
missing new line
adding Twisted to requirements, for some reason RTD cannot find the one included from the Vumi setup.py
Revert "not needing the extra requirements file"

This reverts commit 4d9b683ab29b1ac0523aed747f7dfecec2684893.
turns out we do need a special requirements file for building the docs
vumi also required for building docs
trying with brute force
adding protobuf for riakasaurus
adding sphinx.ext.todo
fixing sys.path
fixing version & release number to match Vumi
Merge branch 'feature/issue-247-build-docs' into develop