Merge branch 'follow_tags'

app/controllers/aspects_controller.rb

app/controllers/tag_followings_controller.rb

app/controllers/tags_controller.rb

app/helpers/tag_followings_helper.rb

app/models/tag_following.rb

app/models/user.rb

app/views/aspects/index.html.haml

app/views/tags/show.haml

config/locales/diaspora/en.yml

config/routes.rb

db/migrate/20110701215925_create_tag_followings.rb

db/schema.rb

features/follows_tags.feature

features/signs_up.feature

features/step_definitions/custom_web_steps.rb

public/stylesheets/sass/application.sass

public/stylesheets/sass/ui.sass

spec/controllers/aspects_controller_spec.rb

spec/controllers/tag_followings_controller_spec.rb

spec/controllers/tags_controller_spec.rb