Fix #95
Add box plot doc
Add french maps doc
Add 1.4 news
1.4.1
Bump 1.4.2
Website: Do not point to IRC

Nobody is answering Pygal question there.
Initial Check-In after switching to "website" branch
Tooltip Precision Note
Added note to describe how to use value_formatter field and simple example.
This is a follow up to issue 79: https://github.com/Kozea/pygal/issues/79