- new home page (inspired from the python's one)
- add a "How to contribute" page
- add logo/favicon
- more customizations

closes #868

"informations" is incorrect; try to use a better word, or the invariant "information".

refs #1424

Remove useless trailing \
Remove trailing spaces
Add missing empty lines

autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 .

Diff quickly checked.

They were not in the tools/pyflakes.sh runs

Change every mention of MAINTAINER to avoid future issues.