Fixing some bugs, adding pending test examples

app/controllers/accounts_controller.rb

app/controllers/api/salmon_controller.rb

app/controllers/api/subscriptions_controller.rb

app/controllers/api_controller.rb

app/views/accounts/show.atom.ruby

app/views/xrd/webfinger.xml.ruby

spec/services/fetch_feed_service_spec.rb

spec/services/follow_remote_account_service_spec.rb

spec/services/follow_service_spec.rb

spec/services/post_status_service_spec.rb

spec/services/process_feed_service_spec.rb

spec/services/process_interaction_service_spec.rb

spec/services/process_mentions_service_spec.rb

spec/services/send_interaction_service_spec.rb

spec/services/setup_local_account_service_spec.rb

spec/services/unfollow_service_spec.rb