Yet another fix for Flickr repairing.
Bugfix: omniauth sign in was circumventing ProviderAuthoraization validation.
Flickr sign in wasn't always using the flickr username as the basis of the iNat username.
Bugfix: checking and changing multiple records on taxon_changes/commit_for_user was broken.
Bumped timeout for EOL taxon desc requests.
Merge branch 'master' into i18n