Add default config for flickrripper

Copied the config options from compat.
Moved handle_args to beginning of main(), so arguments are
parsed before missing flickr api key check can cause script
to fail.  This allows -help to display even if the flickr
api key is not present.

Bug: 68606
Change-Id: I5320fc6df63fe9cdf233f63544119d339a4a3f8d