Progress made on document:
 * implementation only needs render thread
 * results analysis started
Merge branch 'master' of github.com:mhawes/wstealmandel
Lotsa lotsa stuff done.

* further work is in place.
* Evaluation of success of work started. Sections need filling in.
* Analysis needs finishing. Its kind of a third done. A bit shabby too. . . . oops.