Update to follow English version on program page.
Update to follow English version on program page.

Remove the section after the program table.
Add the breakout session section.

https://github.com/openstreetmap/stateofthemap-2017/issues/106
issue #106

openstreetmap/stateofthemap-2017,openstreetmap/stateofthemap-2017,openstreetmap/stateofthemap-2017