So people don't waste time altering them, but alter the source instead.

Python does not like """"

This reverts commit ff34cc7b.

This reverts commit fc9a503f.
It breaks manpage

autopep8 -i --select=W602
Also some other minor deprecated syntax changes, like "while 1".
I did not commit the less obvious changes.

This should fix the display of manpages with accents (mainly boobank).

This is recommended by Debian.
closes #618

I used autopep8 on some files and did carefully check the changes.
I ignored E501,E302,E231,E225,E222,E221,E241,E203 in my search, and at
least E501 on any autopep8 run.

Other style fixes not related to PEP8:
* Only use new-style classes. I don't think the usage of old-style
  classes was voluntary. Old-style classes are removed in Python 3.
* Convert an if/else to a one-liner in mediawiki, change docstring style
  change to a comment something that wasn't really appropriate for a
  docstring.
* Unneeded first if condition in meteofrance

Use stderr and return codes >0 when it makes sense.
Loose return code conventions:
* 1 for generic errors
* 2 for user input errors
* 3 for remote errors (not found, etc.)
* 4 for not implemented

display usage, description and commands list in a proper way, display copyright and files list (refs #427)

Far from enough to replace the current manpages as of now, so they are
put in the man2/ directory.