fixed up stream/publisher logic; fixed cukes

app/helpers/getting_started_helper.rb

app/models/person.rb

app/views/aspects/index.html.haml

app/views/contacts/index.html.haml

app/views/shared/_contact_sidebar.html.haml

app/views/shared/_publisher.html.haml

app/views/users/getting_started.haml

config/locales/diaspora/en.yml

features/accepts_invitation.feature

features/manages_aspects.feature

features/signs_up.feature

features/stops_following_users.feature

lib/stream/base.rb

lib/stream/multi.rb

lib/stream/tag.rb

public/stylesheets/sass/application.sass

spec/helpers/getting_started_helper_spec.rb

spec/lib/stream/aspect_spec.rb

spec/lib/stream/multi_spec.rb

spec/lib/stream/tag_spec.rb