Added more modules to documentation index.
Big re-write of the modules reference. Standardized on 'execution module' as a term to avoid confusion. Cleaned up a lot of weasel-words and made the phrasing more declarative.
Renderer index re-write for clarity.
Renderer index re-write for clarity.
Runner index re-write for clarity.
States index re-write for clarity.
Eauth index re-write for clarity.
Event index re-write for clarity.
git index re-write for clarity.
Starting on index for jobs.
New module docs.
Merge pull request #10598 from cachedout/2_19_docfix

2 19 docfix