Merge branch 'release/0.6.6.0'

config/diaspora.yml.example

config/initializers/diaspora_federation.rb

config/initializers/rails_admin.rb

config/locales/devise/devise.pl.yml

config/locales/diaspora/ar.yml

config/locales/diaspora/art-nvi.yml

config/locales/diaspora/bg.yml

config/locales/diaspora/br.yml

config/locales/diaspora/bs.yml

config/locales/diaspora/cs.yml

config/locales/diaspora/da.yml

config/locales/diaspora/de-CH.yml

config/locales/diaspora/de-moo.yml

config/locales/diaspora/de.yml

config/locales/diaspora/de_formal.yml

config/locales/diaspora/el.yml

config/locales/diaspora/en.yml

config/locales/diaspora/en_1337.yml

config/locales/diaspora/en_pirate.yml

config/locales/diaspora/en_shaw.yml