[Tr] Define exportable version string in C templates

This matches the naming conventions we use, YMMV.
Complete Sphinx conf.py rewrite

Far too much cruft in the quickstart generated file.
Use standard paths for Sphinx build

This just confused *me* when I came back to play with the docs :/
[Tr] Take advantage of Sphinx's default role

This removes a lot of unwanted reST role text
[Tr] Use whitespace to make C template cleaner