platform (android): open_url now tries to open the right activity for any URL: media type is guessed (by Python standard mimetypes lib then Android API) to try to open the right intent, before defaulting to generic open_url.

[DEFAULT]
bridge = pb
log_level = debug
log_fmt = #[%%(levelname)s][%%(name)s] %%(message)s

[cagou]
no_certificate_validation = true
log_level = debug
log_fmt = [%%(levelname)s][%%(name)s] %%(message)s