Readthedoc migration, still some content to update from the wiki that were updated after I made the last diff
- fixes#406 by configuring readthedocs
- fixes#407 by configuring material theme
- fixes#408 by adding footer with jQuery to enable readthedocs.org versions
- fixes#409
- fixes#410
- fixes#411
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
